Specification

TECHNICAL
SPECIFICATION
DWT Thermo
KNEE WALL ACCESS DOOR
I. APPLICATION
The DWT highly insulated knee wall access door is a product designed primarily for installa-
tion in knee walls. It enables access to non-habitable room located behind a knee wall, and at
the same time provides excellent insulation barrier and ensures high tightness.
II. STRUCTURE
No. Element Description
1 Door
Insulated, total thickness: 2
½”
Finished on both sides with white HDF board.
2 Frame
Made of pinewood.
Depth (Jamb):
3 ½”
Equipped with a seal.
3 Equipment
Handle
1 ⁄” wide wooden finishing slats in natural colour.
III. SIZES
No. Size
1 21” x 31”
 27” x 35”
3 27” x 43”
IV. TECHNICAL PARAMETERS
No. Description Value Standard
1 Door heat transfer coefficient R-value: 9.5 PN-EN 10211:2008
2 Tightness 4th class* EN 12207
V. ASSEMBLY INFORMATION
DWT knee wall door comes pre assembled and must be installed in framed rough opening in accordance
with the included fitting instructions. One must ensure that the gap between door frame and rough
opening framing is properly insulated.
9.5
R - value