Double Front Doors

Shop double doors for a distinctive paired look, from substantial solid panels to full-lite glazed and mixed panel-and-glass designs. Start with your location: an exterior entrance, an interior passage, or a patio connection. Then consider everyday access and whether you want the pair alone or surrounding fixed elements. Available options vary by product and application.

Browse the doors below to compare looks.

Double front doors use a paired entry layout with two door panels rather than one, creating a wider-looking, more balanced front entry with a stronger curb presence.

Browse the double front door options in the product grid below to compare styles, glass designs, and privacy levels at a glance, then select a door to see full specifications and options.

If you’re still deciding, the sections below the grid offer quick guidance on when this configuration makes sense, how it compares to sidelites or a wider single door, and what to review before you choose.

Shop By
Shopping Options
Loading...

Please wait...

Door System
Unit Size
  1. 30 x 80 11items
  2. 30 x 82 11items
  3. 30 x 86 11items
  4. 30 x 98 11items
  5. 30.5 x 80 11items
  6. 30.5 x 82 11items
  7. 30.5 x 86 11items
  8. 30.5 x 98 11items
  9. 31.5 x 80 1item
  10. 31.5 x 82 3items
  11. 31.5 x 86 3items
  12. 31.5 x 98 3items
  13. 31.75 x 80 19items
  14. 31.75 x 82 19items
  15. 31.75 x 82.75 19items
  16. 31.75 x 86 19items
  17. 31.75 x 98 19items
  18. 31.75 x 98.75 19items
  19. 33.5 x 80 1item
  20. 33.5 x 82 3items
  21. 33.5 x 86 3items
  22. 33.5 x 98 3items
  23. 33.625 x 82 1item
  24. 33.75 x 80 19items
  25. 33.75 x 82 19items
  26. 33.75 x 82.75 19items
  27. 33.75 x 86 19items
  28. 33.75 x 98 19items
  29. 33.75 x 98.75 19items
  30. 34 x 80 11items
  31. 34 x 82 11items
  32. 34 x 86 11items
  33. 34 x 98 11items
  34. 34.5 x 80 11items
  35. 34.5 x 82 11items
  36. 34.5 x 86 11items
  37. 34.5 x 98 11items
  38. 35.25 x 82 2items
  39. 35.25 x 86 2items
  40. 35.25 x 98 2items
  41. 35.5 x 80 1item
  42. 35.5 x 82 1item
  43. 35.5 x 86 1item
  44. 35.5 x 98 1item
  45. 35.625 x 82 1item
  46. 35.75 x 80 19items
  47. 35.75 x 82 19items
  48. 35.75 x 86 19items
  49. 35.75 x 98 19items
  50. 37.5 x 80 1item
  51. 37.5 x 82 3items
  52. 37.5 x 86 3items
  53. 37.5 x 98 3items
  54. 37.625 x 82 1item
  55. 37.75 x 80 19items
  56. 37.75 x 82 21items
  57. 37.75 x 82.75 19items
  58. 37.75 x 86 21items
  59. 37.75 x 86.75 19items
  60. 37.75 x 98 21items
  61. 37.75 x 98.75 19items
  62. 38 x 80 11items
  63. 38 x 82 11items
  64. 38 x 86 11items
  65. 38 x 98 11items
  66. 38.5 x 110 67items
  67. 38.5 x 121 67items
  68. 38.5 x 80 78items
  69. 38.5 x 82 80items
  70. 38.5 x 86 80items
  71. 38.5 x 98 80items
  72. 39.25 x 80 2items
  73. 39.25 x 82 2items
  74. 39.25 x 86 2items
  75. 39.5 x 80 1item
  76. 39.5 x 82 1item
  77. 39.5 x 86 1item
  78. 39.5 x 98 1item
  79. 41.25 x 82 2items
  80. 41.25 x 86 2items
  81. 41.25 x 98 2items
  82. 41.5 x 80 1item
  83. 41.5 x 82 1item
  84. 41.5 x 86 1item
  85. 41.5 x 98 1item
  86. 43.25 x 82 2items
  87. 43.25 x 86 2items
  88. 43.25 x 98 2items
  89. 43.5 x 80 1item
  90. 43.5 x 82 1item
  91. 43.5 x 86 1item
  92. 43.5 x 98 1item
  93. 43.75 x 80 19items
  94. 43.75 x 82 19items
  95. 43.75 x 86 19items
  96. 43.75 x 98 19items
  97. 43.75 x 98.75 19items
  98. 45.5 x 80 1item
  99. 45.5 x 82 1item
  100. 45.5 x 86 1item
  101. 45.5 x 98 1item
  102. 47.5 x 80 1item
  103. 47.5 x 82 1item
  104. 47.5 x 86 1item
  105. 47.5 x 98 1item
  106. 49.5 x 80 1item
  107. 49.5 x 82 1item
  108. 49.5 x 86 1item
  109. 49.5 x 98 1item
  110. 49.75 x 110 1item
  111. 49.75 x 121 1item
  112. 49.75 x 80 1item
  113. 49.75 x 82 1item
  114. 49.75 x 86 1item
  115. 49.75 x 98 1item
  116. 50 x 80 11items
  117. 50 x 82 11items
  118. 50 x 86 11items
  119. 50 x 98 11items
  120. 50.125 x 82 30items
  121. 50.125 x 98 12items
  122. 50.5 x 110 106items
  123. 50.5 x 121 106items
  124. 50.5 x 80 124items
  125. 50.5 x 82 124items
  126. 50.5 x 86 124items
  127. 50.5 x 98 124items
  128. 51.5 x 80 1item
  129. 51.5 x 82 1item
  130. 51.5 x 86 1item
  131. 51.5 x 98 1item
  132. 53.5 x 80 1item
  133. 53.5 x 82 1item
  134. 53.5 x 86 1item
  135. 53.5 x 98 1item
  136. 55.5 x 80 1item
  137. 55.5 x 82 1item
  138. 55.5 x 86 1item
  139. 55.5 x 98 1item
  140. 57.5 x 80 1item
  141. 57.5 x 82 1item
  142. 57.5 x 86 1item
  143. 57.5 x 98 1item
  144. 58 x 80 11items
  145. 58 x 82 11items
  146. 58 x 86 11items
  147. 58 x 98 11items
  148. 58.125 x 82 27items
  149. 58.125 x 98 9items
  150. 58.5 x 110 106items
  151. 58.5 x 121 106items
  152. 58.5 x 80 124items
  153. 58.5 x 81.5 5items
  154. 58.5 x 82 124items
  155. 58.5 x 86 124items
  156. 58.5 x 97.5 5items
  157. 58.5 x 98 124items
  158. 59.5 x 80 1item
  159. 59.5 x 82 1item
  160. 59.5 x 86 1item
  161. 59.5 x 98 1item
  162. 60.5 x 81.5 15items
  163. 60.5 x 82 15items
  164. 60.5 x 97.5 15items
  165. 60.5 x 98 15items
  166. 61.5 x 80 1item
  167. 61.5 x 82 1item
  168. 61.5 x 86 1item
  169. 61.5 x 98 1item
  170. 62 x 110 1item
  171. 62 x 121 1item
  172. 62 x 80 52items
  173. 62 x 82 65items
  174. 62 x 86 52items
  175. 62 x 98 89items
  176. 62.125 x 82 78items
  177. 62.125 x 98 36items
  178. 62.5 x 110 167items
  179. 62.5 x 121 167items
  180. 62.5 x 80 220items
  181. 62.5 x 82 269items
  182. 62.5 x 86 220items
  183. 62.5 x 98 269items
  184. 62.5625 x 82 98items
  185. 62.5625 x 98 103items
  186. 62.75 x 82.75 13items
  187. 62.75 x 98.75 23items
  188. 63.5 x 110 1item
  189. 63.5 x 121 1item
  190. 63.5 x 80 29items
  191. 63.5 x 82 29items
  192. 63.5 x 86 29items
  193. 63.5 x 98 29items
  194. 64.5 x 82 15items
  195. 64.5 x 98 15items
  196. 65.5 x 110 1item
  197. 65.5 x 121 1item
  198. 65.5 x 80 14items
  199. 65.5 x 82 14items
  200. 65.5 x 86 14items
  201. 65.5 x 98 14items
  202. 66 x 110 1item
  203. 66 x 121 1item
  204. 66 x 80 52items
  205. 66 x 82 183items
  206. 66 x 86 52items
  207. 66 x 98 232items
  208. 66.125 x 82 159items
  209. 66.125 x 98 115items
  210. 66.5 x 110 167items
  211. 66.5 x 121 167items
  212. 66.5 x 80 232items
  213. 66.5 x 82 291items
  214. 66.5 x 86 232items
  215. 66.5 x 98 303items
  216. 66.5625 x 82 238items
  217. 66.5625 x 86 1item
  218. 66.5625 x 98 201items
  219. 66.75 x 82.75 14items
  220. 66.75 x 98.75 27items
  221. 67.25 x 98.75 2items
  222. 67.5 x 110 1item
  223. 67.5 x 121 1item
  224. 67.5 x 80 29items
  225. 67.5 x 82 29items
  226. 67.5 x 86 29items
  227. 67.5 x 98 29items
  228. 68.5 x 82 15items
  229. 68.5 x 98 15items
  230. 69.5 x 80 13items
  231. 69.5 x 82 13items
  232. 69.5 x 86 13items
  233. 69.5 x 98 13items
  234. 70 x 110 1item
  235. 70 x 121 1item
  236. 70 x 80 52items
  237. 70 x 82 52items
  238. 70 x 86 52items
  239. 70 x 98 52items
  240. 70.125 x 82 141items
  241. 70.125 x 98 71items
  242. 70.5 x 110 167items
  243. 70.5 x 121 167items
  244. 70.5 x 80 232items
  245. 70.5 x 82 255items
  246. 70.5 x 86 232items
  247. 70.5 x 98 255items
  248. 70.5625 x 82 238items
  249. 70.5625 x 86 1item
  250. 70.5625 x 98 201items
  251. 71.5 x 110 1item
  252. 71.5 x 121 1item
  253. 71.5 x 80 29items
  254. 71.5 x 82 29items
  255. 71.5 x 86 29items
  256. 71.5 x 98 29items
  257. 72.5 x 81.5 15items
  258. 72.5 x 97.5 15items
  259. 74 x 110 2items
  260. 74 x 121 2items
  261. 74 x 80 56items
  262. 74 x 82 302items
  263. 74 x 86 56items
  264. 74 x 98 372items
  265. 74.125 x 82 180items
  266. 74.125 x 98 124items
  267. 74.5 x 110 200items
  268. 74.5 x 121 200items
  269. 74.5 x 80 257items
  270. 74.5 x 82 316items
  271. 74.5 x 86 257items
  272. 74.5 x 98 337items
  273. 74.5 x 98.75 5items
  274. 74.5625 x 82 238items
  275. 74.5625 x 86 1item
  276. 74.5625 x 98 201items
  277. 74.75 x 82.75 42items
  278. 74.75 x 98.75 4items
  279. 74.75 x 98.75 124items
  280. 75.25 x 98.75 2items
  281. 75.5 x 110 2items
  282. 75.5 x 121 2items
  283. 75.5 x 80 30items
  284. 75.5 x 82 30items
  285. 75.5 x 86 30items
  286. 75.5 x 98 30items
  287. 86 x 110 2items
  288. 86 x 121 2items
  289. 86 x 80 45items
  290. 86 x 82 55items
  291. 86 x 86 45items
  292. 86 x 98 96items
  293. 86.5 x 110 200items
  294. 86.5 x 121 200items
  295. 86.5 x 80 238items
  296. 86.5 x 82 261items
  297. 86.5 x 86 238items
  298. 86.5 x 98 261items
  299. 86.75 x 98.75 1item
  300. 98.5 x 110 121items
  301. 98.5 x 121 121items
  302. 98.5 x 80 121items
  303. 98.5 x 82 121items
  304. 98.5 x 86 121items
  305. 98.5 x 98 121items
Door Size
  1. 14 x 78 (1-2 x 6-6) 11items
  2. 14 x 80 (1-2 x 6-8) 11items
  3. 14 x 84 (1-2 x 7-0) 11items
  4. 14 x 96 (1-2 x 8-0) 11items
  5. 16 x 78 (1-4 x 6-6) 11items
  6. 16 x 80 (1-4 x 6-8) 11items
  7. 16 x 84 (1-4 x 7-0) 11items
  8. 18 x 108 (1-6 x 9-0) 68items
  9. 18 x 120 (1-6 x 10-0) 79items
  10. 18 x 78 (1-6 x 6-6) 79items
  11. 18 x 80 (1-6 x 6-8) 79items
  12. 18 x 84 (1-6 x 7-0) 79items
  13. 18 x 96 (1-6 x 8-0) 79items
  14. 20 x 78 (1-8 x 6-6) 12items
  15. 20 x 80 (1-8 x 6-8) 12items
  16. 20 x 84 (1-8 x 7-0) 12items
  17. 20 x 96 (1-8 x 8-0) 12items
  18. 22 x 78 (1-10 x 6-6) 12items
  19. 22 x 80 (1-10 x 6-8) 12items
  20. 22 x 84 (1-10 x 7-0) 12items
  21. 22 x 96 (1-10 x 8-0) 12items
  22. 24 x 108 (2-0 x 9-0) 107items
  23. 24 x 120 (2-0 x 10-0) 107items
  24. 24 x 78 (2-0 x 6-6) 125items
  25. 24 x 80 (2-0 x 6-8) 184items
  26. 24 x 84 (2-0 x 7-0) 125items
  27. 24 x 96 (2-0 x 8-0) 165items
  28. 26 x 78 (2-2 x 6-6) 1item
  29. 26 x 80 (2-2 x 6-8) 1item
  30. 26 x 84 (2-2 x 7-0) 1item
  31. 26 x 96 (2-2 x 8-0) 1item
  32. 28 x 108 (2-4 x 9-0) 107items
  33. 28 x 120 (2-4 x 10-0) 107items
  34. 28 x 78 (2-4 x 6-6) 125items
  35. 28 x 80 (2-4 x 6-8) 155items
  36. 28 x 84 (2-4 x 7-0) 125items
  37. 28 x 96 (2-4 x 8-0) 136items
  38. 30 x 108 (2-6 x 9-0) 174items
  39. 30 x 120 (2-6 x 10-0) 174items
  40. 30 x 78 (2-6 x 6-6) 228items
  41. 30 x 80 (2-6 x 6-8) 597items
  42. 30 x 82 (2-6 x 6-10) 39items
  43. 30 x 84 (2-6 x 7-0) 273items
  44. 30 x 96 (2-6 x 8-0) 591items
  45. 32 x 108 (2-8 x 9-0) 173items
  46. 32 x 120 (2-8 x 10-0) 173items
  47. 32 x 78 (2-8 x 6-6) 228items
  48. 32 x 80 (2-8 x 6-8) 966items
  49. 32 x 84 (2-8 x 7-0) 274items
  50. 32 x 96 (2-8 x 8-0) 947items
  51. 34 x 108 (2-10 x 9-0) 171items
  52. 34 x 120 (2-10 x 10-0) 172items
  53. 34 x 78 (2-10 x 6-6) 227items
  54. 34 x 80 (2-10 x 6-8) 741items
  55. 34 x 84 (2-10 x 7-0) 273items
  56. 34 x 96 (2-10 x 8-0) 631items
  57. 36 x 108 (3-0 x 9-0) 207items
  58. 36 x 120 (3-0 x 10-0) 207items
  59. 36 x 78 (3-0 x 6-6) 264items
  60. 36 x 80 (3-0 x 6-8) 1201items
  61. 36 x 84 (3-0 x 7-0) 316items
  62. 36 x 96 (3-0 x 8-0) 1272items
  63. 40 x 80 (3-4 x 6-8) 59items
  64. 42 x 108 (3-6 x 9-0) 207items
  65. 42 x 120 (3-6 x 10-0) 207items
  66. 42 x 78 (3-6 x 6-6) 244items
  67. 42 x 80 (3-6 x 6-8) 326items
  68. 42 x 84 (3-6 x 7-0) 291items
  69. 42 x 96 (3-6 x 8-0) 368items
  70. 48 x 108 (4-0 x 9-0) 123items
  71. 48 x 120 (4-0 x 10-0) 123items
  72. 48 x 78 (4-0 x 6-6) 138items
  73. 48 x 80 (4-0 x 6-8) 138items
  74. 48 x 84 (4-0 x 7-0) 138items
  75. 48 x 96 (4-0 x 8-0) 138items
View as
Grid
List

Items 1-50 of 2239

Page
Set Ascending Direction
  1. 96
    96" Double 3/4 Lite 4 Lite SDL DoorCraft Mahogany Door
    Rating:
    73%
    Now Only $2,459.80 Regular Price $3,514.00
  2. 96
    96" Double 2 Panel Square Mahogany Door
    Now Only $2,918.30 Regular Price $4,169.00
  3. 80
    80" Double 2/3 Lite 6 Lite SDL DoorCraft Mahogany Door
    Rating:
    80%
    Now Only $2,275.00 Regular Price $3,250.00
  4. ValueSeries |96
    ValueSeries |96" 3/4 Lite Flush Glazed Double Door
    Now Only $2,770.60 Regular Price $3,958.00
  5. 80
    80" Full Lite Smooth Fiberglass Double Door
    Now Only $2,752.94 Regular Price $5,505.89
View as
Grid
List

Items 1-50 of 2239

Page
Set Ascending Direction

How to choose double front doors

If double doors feel right, narrow the options by your biggest tradeoffs first, then compare details.

  • Confirm that you want two working panels instead of a single door with sidelites or a wider single door.
  • Pick your style direction and shape: arched or square-top.
  • Decide how much glass you want and how private the entry should feel.
  • Check daily use, including the active door side, traffic flow, and hardware.
  • Use material and finish as your last filters once the look is set.

Double doors vs. a single door with sidelites or transoms

A true double front door uses two moving panels. Sidelites and transoms are fixed glass parts. They add daylight and make the entry look wider, but they do not create a two-door layout.

  • Choose double doors if you want paired symmetry and the option to open both panels for a larger opening.
  • Choose sidelites or transoms if you want more light and visual width with simpler daily use.

Double doors vs. a wider single door

A wider single door can feel cleaner and simpler because it has one main panel. Double doors create a more formal, centered look and can give you more access when both panels are open.

If you want one-panel use and a restrained look, a wider single door may fit better. If you want balance, presence, and occasional wide access, double front doors are usually the better fit.

Choose a style direction and shape

Double front doors work with traditional, craftsman, contemporary, and farmhouse looks. The final style comes from the panel shape, glass pattern, finish, and overall form.

  • Traditional: Shaped or raised panels, decorative glass, and more detail feel classic and formal.
  • Craftsman: Simple panel layouts with balanced lines feel grounded and built in.
  • Contemporary: Clean lines, little paneling, and simple glass feel modern.
  • Farmhouse: Straightforward shapes and warm finishes feel welcoming.

If you're not sure where to start, use the shape as a quick guide:

  • Arched double doors often feel more traditional or elegant.
  • Square-top and flush-profile designs often feel cleaner and more modern.

Decide on glass and privacy

Privacy usually depends more on glass choice than on the double-door layout itself. More glass brings in more daylight and gives a more open look. Less glass feels more private.

  • More glass: Brighter entry, more openness from the curb.
  • Less glass: More privacy, stronger door-focused curb appeal.
  • Textured or decorative glass: A middle ground that keeps the entry bright without clear views.

Before you choose, think about sightlines from the street, porch, driveway, and nearby homes.

Check how the entry will work day to day

Most homeowners use one active door for daily traffic and open the second panel when they need more space. As you compare options, think about:

  • Active door side: Pick the side that matches your usual path.
  • Swing direction: Make sure the swing works with porch depth, railings, stairs, and furniture.
  • Hardware fit: Double doors need matched handlesets, locks, and a secure meeting point.

Use material and finish as secondary filters

After the look is set, material helps narrow the list based on upkeep and style.

  • Fiberglass is often easier to care for and keeps a steady look.
  • Wood is often more adaptable and warm, but it needs more finish care.

Also think about sun, weather, and how often you want to refinish or maintain the entry.

Quick buyer checklist

  • Two working panels are the right choice, not sidelites or a wider single door.
  • The home's exterior suits the added presence of a paired entry.
  • You've chosen a shape, such as arched or square-top, and a general style direction.
  • You've decided on glass amount and privacy level, such as clear, textured, or obscure.
  • You've considered daily use: active door side, swing, and hardware needs.
  • Material and finish match your upkeep needs and climate.

FAQ

No. Sidelites are fixed glass panels. Double front doors use two working panels.

They fit best on wider openings, but the right size still depends on your home. Use the opening, style, and curb look as your guide.

A single door is simpler. Double doors give you a wider opening when both panels are open.

No. Glass choice matters more than the number of doors. Decorative, privacy, and textured glass can keep the entry bright without clear views.

Traditional, craftsman, contemporary, and farmhouse looks are common. Arched shapes often feel more traditional, while square-top and flush-profile designs often feel more modern.

Treat material as a later choice. Fiberglass is easier to care for. Wood offers more custom work, but it needs more finish care.

Double Doors Buyer Guide

Start with how you will use the opening, then decide how much glass and surrounding detail you want. The operating arrangement matters as much as the paired appearance.

Everyday Access with Double Doors

For routine trips, an arrangement with one everyday panel lets you pass through without opening both doors. This is the active panel; the passive or inactive panel normally stays secured.

If moving large objects or handling more traffic matters, choose a pair whose second panel is designed to open, because opening both gives more usable width than the active panel alone.

Solid and Glazed Double Doors

Solid-panel doors suit visual screening and a substantial door face because they have no transparent panel. Full-lite glazed designs favor a glass-focused look, with glazing that admits daylight and allows views.

Mixed panel-and-glass designs, such as half-lite doors, combine solid structure with a smaller glazed area. If you want light and views without making glass the dominant feature, start there. The divided-lite glass guide compares glass types in more detail.

Match the Application to the Location

For a weather-exposed entrance, start with an exterior pair: outdoor exposure is the deciding requirement, not appearance alone. An interior pair suits dividing indoor spaces.

A patio connection puts outdoor access and views at the center of the choice, so weigh the everyday operating arrangement alongside the amount of glass you want. The French door guide covers that style in more detail.

Pair Only, Sidelights, or Transom

A pair-only unit, the two doors and their frame, suits an opening planned for the pair alone. Where the opening and design call for more width, sidelights add fixed glass at the sides; a transom adds height above the pair instead. For a rounded top, browse arched exterior double doors.

For a replacement, the whole existing assembly, not just the moving panels, sets the space available. Net-frame dimensions describe the outside of the complete frame, rough-opening dimensions describe the opening in the wall, and the door size categories help you start from the right size.

Wood Grain, Smooth, or Primed Surfaces

Smooth and mahogany surfaces lead the selection: smooth faces suit painted color and clean modern lines, while mahogany shows warm, natural grain. Woodgrain surfaces bring a wood look to fiberglass, knotty alder adds visible knots for a rustic entrance, and primed doors arrive ready for your own paint color.

Prefinished Color Families

Prefinished interior pairs come in factory colors, from the bright Snow White and softly textured Bianco Noble to the gray-toned Gray Oak and deep Veralinga Oak. Choose a light color to keep a room open and bright, or a darker woodgrain to make the pair a feature.

Double Doors by Home Style

Contemporary modern homes lead the selection with flush and full-lite pairs, while Colonial homes suit symmetrical raised-panel pairs. Rustic, old-world entrances call for knotty alder and plank designs, and Arts and Crafts homes suit Craftsman pairs with upper glass.

Before You Order

  • +The listed application matches your location, including exterior use for a weather-exposed entrance.
  • +The pair-only, sidelight, or transom arrangement matches your plan.
  • +The complete unit's net-frame and rough-opening dimensions suit the measured opening.
  • +The operating arrangement, handing, and side of the everyday panel suit your layout, including whether the second panel opens.
  • +The panel appearance and listed glass treatment or privacy rating provide the look and screening you want.
  • +The listed product material is the material you intend to order.
  • +The swing direction and clearance suit the available space.
  • +The slab or prehung format and included hardware or components match what you need.

For project steps, see the double-door installation instructions.

Questions About Double Doors

Double doors use two adjacent hinged door panels within one opening, with their vertical edges meeting at the center when closed. A pair with a second panel designed to open suits occasional wider passage. A single door with fixed sidelights offers a wider overall arrangement, but only the door panel opens for passage. If you prefer one operating door with fixed elements beside it, browse doors with two sidelights.

No. Textured, frosted, or other obscuring glass transmits light while reducing clear visibility compared with clear glass, and the level of privacy depends on the specific glass design.

Not unless that product explicitly documents exterior use. An interior designation alone does not establish suitability for a weather-exposed entrance, even when the doors have the look you want for the outside of your home.

No. Sidelights beside the doors and a transom above them are fixed elements, not operating door panels. They expand the overall arrangement, while wider passage through the pair comes from opening a second panel designed to open.