High performance, fire retardant*, self supporting and highly breathable roof underlay

There are 4 types of Masons Roof Underlay;

  • VHP Value is self-supporting, great value and a huge upgrade from Bituminous Paper.
  • VHP Strong is a medium weight premium roofing underlay. 
  • VHP Ultra is a heavy weight premium roofing underlay.
  • VHP Maxi is an extra heavy weight premium roofing underlay.
Details
  • Category
    Roof Underlay
  • Range
    Masons Roofing Systems and Products
Features

Made from a very high vapour permeable water resistant membrane and layers of non-woven polyolefin fabric.

Deflects water and air during construction and as part of the finished roof designs moisture management system.

Masons VHP Roof Underlay offers value for money, especially VHP Value.

All Masons VHP Roof Underlays are ‘self-supporting’.

Fire retardant underlay which performs well in rigorous testing to pass NZ/AS1530 part 2 FI <5.
*Please note VHP Value is not fire retardant.

Highly breathable premium roof underlays for their weight, having the ability to transfer water vapour at higher rates than traditional bitumen impregnated kraft paper (black paper). This is helpful in the control of condensation.

All our underlays give weather protection during construction and UV resistance for 21 days.

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Downloads

Downloads are available for each product. Please visit our website pages to download - click here

For any enquiries regarding purchasing or using any of our products. Complete the contact form below, or contact us on 0800 522 533.
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About the
Seller

In New Zealand, our rich history is marked by a strong tradition of innovation and accomplishment. Masons embodies this ethos, founded on the principle of elevating the quality of New Zealand’s building products through a commitment to innovation and resourceful thinking.

Since being established in 1999, Masons has become a key supplier in the New Zealand building industry, offering a variety of quality systems and products for a whole range of building requirements.

Masons offers an extensive range of exterior building products from the frame out, including high-performance flexible wall and roof underlays, a rigid self-adhesive weather-resistant air barrier, panel cladding systems for wall and floor, as well as intertenancy walls. 

Masons also offers a range of construction hardware and accessories, including the Masons/Redway E2 range of cavity closers and flashings, along with masonry veneer ties and reinforcement products

Masons