
Sealant-Applied Airtight Membranes
DP-in / DP-out
Inside vapour-barrier and outside vapour-permeable membranes. Used with compatible adhesive to connect frames and walls at complex or uneven joints.
View product ↗ZHUHENG membranes and installation tapes for window and door joints, membrane overlaps and building-envelope connections. Browse four product groups for window and door installation.

DP-in / DP-out
Inside vapour-barrier and outside vapour-permeable membranes. Used with compatible adhesive to connect frames and walls at complex or uneven joints.
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DPad-in / DPad-out
Inside and outside airtight tapes for frame-to-wall joints. Full-surface adhesive and zoned release liners simplify positioning.
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NF30 / NF05 / NFA
NF30: vapour barrier. NF05: vapour-permeable. NFA: adaptive vapour control. Select for installation position and substrate.
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DP1103 / DP1107
Acrylic adhesive tapes for membrane overlaps, joint sealing and local repairs, helping maintain a continuous waterproof and airtight layer.
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