This Tyvek UV Facade membrane from DuPont is a high-performance membrane with lifelong protection from the elements. With high UV protection and resistance to heat and moisture, it is the next generation of lightweight, advanced protection for moisture management. This product’... Read More
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This Tyvek UV Facade membrane from DuPont is a high-performance membrane with lifelong protection from the elements. With high UV protection and resistance to heat and moisture, it is the next generation of lightweight, advanced protection for moisture management.
This product’s high vapour permeability and superior durability are protected with a 10-year warranty from DuPont for joint widths of up to 3cm.
Question:
can this be used behind a hit and miss timber cladding to a barn conversion, fastened to the external skin of cavity blockwork, with 25mm roofing battens fixed to the blockwork and then the membrane fastened to the battens and then a counter batten fastened to the membrane. So due to the cladding being hit and miss there will be some exposure to sunlight and weather. The other option might be a standard 2000g black DPM but this will start to break down within 12 to 18 months and this is what we want to avoid. Any advice please.
Answer:
Yes, the DuPont Tyvek UV Facade Protective Membrane is an excellent choice for the application you described. This membrane is designed for situations where daylight can reach the membrane through open-jointed or hit-and-miss cladding. It's black in colour, which gives it enhanced UV resistance to cope with intermittent sunlight exposure. Furthermore, it remains vapour permeable, allowing moisture within the wall to escape. Unlike a conventional polyethylene DPM, the DuPont Tyvek UV Facade Protective Membrane is designed to withstand prolonged UV exposure without becoming brittle or degrading. This means it would not deteriorate quickly where sunlight penetrates through the cladding gaps, addressing your concern regarding the typical breakdown of a standard DPM within 12 to 18 months. However, it's essential to consider the size of the gaps in the hit-and-miss cladding. Most UV facade membranes have limits on the percentage of open area or maximum joint width they can safely accommodate. If your timber cladding has particularly large openings, you should consult the manufacturer's maximum permissible open-joint dimensions before specifying it. UV-resistant membranes are designed for exposed facades, but they're not intended to be permanently uncovered. The larger the gaps, the greater the UV loading. To summarize, for a barn conversion with visible gaps between boards, I would recommend using the DuPont Tyvek UV Facade Protective Membrane. Make sure to maintain a drained and ventilated cavity, use treated battens and stainless steel fixings, and check the maximum gap widths against the membrane's technical data before ordering. If the cladding is very open, consider one of the heavy-duty UV facade membranes specifically rated for larger open-jointed rainscreens.
Question:
I want to wrap my timber framed garage. It will be an OSB finish. Is this the correct product and does it require battens first then the wrap then battens again before final finish
Answer:
Yes, the DuPont Tyvek UV Facade Protective Membrane would be a suitable product for your timber-framed garage with an external OSB sheathing layer. It's specifically designed for use behind open-jointed claddings and it's vapour permeable. The typical wall build-up would be as follows: 1. Timber frame 2. OSB sheathing 3. DuPont Tyvek UV Facade membrane 4. Vertical cavity battens (typically 25 mm minimum) 5. Horizontal support battens (if required for your cladding orientation) 6. Final rainscreen finish So in most cases, you do not need battens behind the membrane. The membrane is generally installed directly onto the OSB, taped at the joints, and then the ventilation cavity is created by battens installed over the membrane.
Question:
How waterproof is the membrane
Answer:
This has a very high water resistance
Question:
is this product insulated
Answer:
No, its has extra UV protection
Question:
is this product uv resistant and if so for how long please
Answer:
Full UV exposure (as standard underlay) - months 6
Question:
Do I need black tape to join layers together
Answer:
Yes you need tape, the product code is WZAP-6015K
Question:
Can you tell me if this product has any writing on the black face of it ? or just plain black.Wewant to use it on some open cladding so it will be seen through the gaps
Answer:
The black external facing side is plain so nothing would be visible through the cracks in the cladding.
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