In addition to fitting easily, the design fits between the roof underlay overlaps, below the tiles or slate, and introduces ventilation openings. It's shallow and tapered to fit most common rafter spacings. As is often the case after loft insulation is upgraded, this method is ideal when roof space ventilation is lacking or preexisting ventilation pathways are blocked.
Hambleside Danelaw Felt Lap Vent
£7.90incl VAT.
£6.58excl VAT.
Hambleside Danelaw’s underlay felt lap vents are a type of ventilator that is ideal for installing from the inside on cold pitched roofs with condensation problems. With a quick-fit solution that is easy to install, these are ideal for both roofers and DIY enthusiasts.
- Suitable for cold pitched roofs where high levels of condensation are problematic
- Easy to install between overlaps in roofing underlay below tiles or slate
- 3200mm² airflow per panel
- Shallow and tapered design suits all commonly encountered rafter spacings
- Manufactured from polypropylene for flexible application
- Black colour
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£113.98 Incl VAT £94.98 Excl VAT
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Additional information
| Brand | |
|---|---|
| Airflow Area | 3,200mm² per vent |
| Made from | Polypropylene |
| Dimensions L x H x W | 200mm x 17mm x 270mm |
Product Information
| Brand | |
|---|---|
| Airflow Area | 3,200mm² per vent |
| Made from | Polypropylene |
| Dimensions L x H x W | 200mm x 17mm x 270mm |
