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Continue ShoppingKnee Wall Access Door
Contact us for availability!
Knee Wall Access Door
Contact us for availability!
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DWK
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ready for quick installation
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3 year warranty
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Thermal Performance:
- U-value: 0.19 BTU/hft² F for excellent insulation.
- Insulation Thickness: 1 1/8 inches for improved thermal efficiency.
- R-value: 5.2 for added energy savings.
The Knee Wall Access Door DWK is designed for installation in L-shaped walls. It offers excellent thermal insulation with an R-value of 5.2, ensuring minimal heat loss. The door features high air tightness for enhanced energy efficiency and can be installed with either a right or left opening. It comes standard with lining slats for a clean, finished look.
DWF
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ready for quick installation
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fire classification as per EN 13501:2 - EI145
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3 year warranty
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DWF - Features:
- U-value: 0.11 BTU/hft² F for superior insulation.
- Insulation Thickness: 2 3/8 inches for enhanced thermal performance.
- R-value: 8.9, providing excellent energy efficiency and reducing heat loss.
The DWF Fire-Resistant Knee Wall Access Doors are designed for installation in vertical walls, providing safe access to non-habitable spaces. These doors offer 45-minute fire resistance (EN13501 – EI145 classification) to help prevent the spread of fire. The doors are universal, allowing for either left or right opening. The sash is 2 5/8" thick, made from pinewood veneered with HDF board on both sides, filled with mineral wool for added insulation and fire protection.
DWT
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ready for quick installation
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3 year warranty
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DWT Knee Wall Access Door - Features:
- U-value: 0.11 BTU/hft²F (0.6 W/m²K) for excellent thermal insulation.
- Insulation Thickness: 2 3/8 inches, providing a high R-value of 9.5 for superior heat retention and energy efficiency.
The DWT Knee Wall Access Doors feature a highly energy-efficient design with a 2 5/8" thick sash fully filled with thermo-insulating material, offering an R-value of 9.5 to minimize heat loss. These doors come standard with a handle and finishing lining, and can be installed with either a right or left opening for versatility.
Installation Instructions:
DWK
DWF
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KNEE WALL ACCESS DOOR DIMENSIONS |
21 x 31 |
27 x 35 |
24 x 43 * (60 x 110cm) |
27 x 43 * (70 x 110cm) |
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| Rough opening | AxB | 21½ x 31¼ | 27½ x 35¼ | 24½ x 43¼ | 27½ x 43¼ |
| Frame external dimensions | WxL | 21 x 31 | 27 x 35 | 24 x 43 | 27 x 43 |
| Frame internal dimensions | MxN | 19 x 28¾ | 24¾ x 32¾ | 21 x 40½ | 24⅞ x 40½ |
| Frame depth | S | 3⅜ | 3⅜ | 3⅜ | 3⅜ |
| Frame thickness | Z | 1 | 1 | 1 |
1 |