Multi-layered roofing underlay.
A non-breather underlay consisting of a double layer polyethylene sheet with a 12x12 mm multifilament polypropylene reinforcing grid built in, a combination giving great tensile strength and tear resistance.
All roof underlays should be installed to comply with BS 5250, BS 5534 and BS 8000: Part 6. MonarTile Supa-R is laid horizontally across the rafters, white surface down, starting at the eaves, it should be draped to allow for small temperature movements and to ensure a gap between the tile battens and underlay, for drainage purposes.
H60/10 Vertical tiling
H60/105 Clay roof tiling
H60/110 Clay roof tiling with counterbattens
H60/120 Concrete roof tiling
H60/125 Concrete roof tiling with counterbattens
H60/145 Clay vertical tiling
H60/155 Concrete vertical tiling
H60/3 Roof tiling
H61/10 Vertical slating
H61/105 Roof slating
H61/110 Roof slating with counterbattens
H61/120 Vertical slating
H61/5 Roof slating
H62/10 Vertical slating
H62/105 Roof slating
H62/110 Roof slating with counterbattens
H62/120 Vertical slating
H62/125 Roof slating
H62/130 Roof slating with counterbattens
H62/140 Vertical slating
H62/145 Roof slating
H62/150 Roof slating with counterbattens
H62/3 Roof slating
H64/10 Wood shingle/ shake roofing
H64/110 Wood shingle/ shake roofing
H64/120 Wood shingle/ shake roofing with counterbattens
H64/130 Vertical wood shingle/ shakes
H64/15 Vertical wood shingle/ shakes
H65/10 Reconstituted slate roof tiling
H65/105 Clay roof tiling
H65/110 Clay roof tiling with counterbattens
H65/115 Concrete roof tiling
H65/120 Concrete roof tiling with counterbattens
H65/125 Reconstituted slate roof tiling
H65/130 Reconstituted slate roof tiling with counterbattens
H65/140 Ceramic slate roof tiling with counterbattens
H65/5 Roof tiling
H67/110 Metal roof tiling
H67/120 Metal roof tiling with counterbattens
H67/130 Metal vertical tiling
H67/5 Metal roof tiling
H67/8 Metal vertical tiling
Accessories: IcoVent Roof ventilators
Required as drawing ___
Required at ___
Standard product features
Matt Grey surface/ White underside.
(N per 50 mm): 500(MD), 400(TD).
IcoVent Roof Ventilators – Designed to be inserted in the underlay to ventilate the roof space through to the tile/ slate area. Does not penetrate the tiles/ slates so not visible on the roof surface. Can be used in most areas of the roof, particularly where normal ventilation is interrupted, e.g. at hips, roof windows or fire stop walls.
Thermoplastic rubber vent of 100 mm diameter and 5000 mm² ventilation area.