Villatile - General Specification


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Villatile panels roof pitches from 10° to 90°

Villatile lightweight roofing tiles, to be supplied by Britmet Tileform Ltd.

Each tile must be secured using four no. coloured 2.6mm x 50mm galvanised fixing nails,driven through the downturned nose of the tile into the face of the battens, (for 0.9mm Villatile, a coloured Tek screw can be used- part no: ASF2-OOE55) Note: Stagger bond the tiles

Treated tiling battens of approved quality (e.g. tanalised), of suitable section laid at 365mm centres (for 0.45mm thick) or 363mm centres (for 0.9mm thick) except the eaves batten (see eaves section) and secured to the rafters using galvanised nails. Joints in the battens should be staggered and meet half way across the top of the rafters, as standard code of practice.

Please note: It is the responsibility of the installer to ensure correct batten usage

Approved reinforced felt, BS747 (type 1F) or VPU Breather membrane to be laid over rafters, lapped and secured to the rafters with galvanised clout nails and carried well into gutters. All to comply with current regulations.

VENTED TOP ROW (Under Half Round Ridge)
Two tile battens to be fitted side by side on both sides of the ridge, using galvanised nails. If necessary, the top course of tiles to be cut and bent using a guillotine and folder (available from Britmet Tileform Ltd) The rear edge of the tile is to be turned up to form a 25mm upstand against the top tile batten. Each tile must be secured using four nails driven through downturn as previously described. The vented top row flashing is to be fitted over each side, and fastened to the tile battens, nailed through the downturn of the vented top row, into the tile upstand, and face of the batten, using five nails per side.

The ridge caps to be laid across the ridge of the vented top row flashing, and fastened down through the top of ridge flange., into the ridge of vented top
row flashings. The end caps to be fitted at ridge/ hip ends, and exposed cut edges should be treated with touch up kit supplied.

A 38mm x 38mm hip batten to be nailed to the tile battens on each side of the hip rafter, using galvanised nails.

Tiles to be cut and bent to form a 25mm - 35mm upstand against the hip battens, using a guillotine and bender (available from Britmet Tileform Ltd).

The hip half round ridge flashing is to be fitted over the battens and nailed through the downturn, into the face of the battens using four nails on each side.

The bottom course of tiles to be secured using four no. coloured, 50mm tek screws fixing driven vertically through the tile, as near to the high point of the tile profile as possible and into the fascia board, or through the eaves batten placed approximately 20mm behind the fascia board if the Villatile eaves ventilation system is used. These nail heads to be sealed using the Villatile finishing kit.

The top of the fascia board or eaves vent, if used, to be in line with top of battens. Fit Lay Board or Tilting Fillet at the eaves if appropriate, to ensure any moisture on the underlay drains into gutter.

Roof pitch above 15°
The top of the fascia board should be fixed 23mm below the top face of the eaves batten allowing for the Villatile 10mm eaves vent system.

Roof pitch below 15°
The top of the fascia board should be fixed 25mm below the top face of the eaves batten allowing for the Villatile, 25mm eaves vent system. Note: Where the insulation follows the roof slope, the Villatile ventilation tray should be installed between the rafters.

The valley should be formed from lead, moulded glass fibre or similar approved lining, supported on valley boards. Tile battens should project over the valley to provide fixing for the tiles.

Villatile panels to be measured, cut and bent, using the guillotine and bender (available from Britmet Tileform Ltd) allowing sufficient downturn into the valley.

The timber barge board should project 25mm above the top of the tile battens. A 50mm x 50mm timber batten to run parallel to the fascia board. Villatile panels should be cut and bent up against the timber barge batten.

The Villatile scribed barge board cover to be secured using 5 fixing nails driven through the downturned edge into the barge board and five nails to be driven vertically into the barge batten (the heads of the vertically fixed nails to be sealed, using the Villatile finishing kit.

Villatile scribed side-wall flashing to be secured using fixing nails, one driven vertically into each batten (these nail heads to be covered, using the Villatile finishing kit)

Villatile cover flashing to be dressed over the vertical section of the side-wall flashing and be dressed into the brickwork.

To provide additional ventilation, the Villatile inline tile vents are available providing an airflow of 7,500mm2

The tile underlay must be cut to allow the spigot of the tile vent to pass through. The Villatile panel vent is installed to provide full weather security. The tile vent is secured by overlapping a Villatile panel on either side and nailing through the nose of the tile, as previously described. Nails must not penetrate the vent tile.

The Villatile inline vent tile can also be used as a weather protected exit point for soil pipes or extractor fan ducts by means of a flexi hose and pipe adapter that connects the vent to 100mm stacts or duct work.

Available to suit angle ridge. Type (R) adapter and extension piece supplied by others.

Please note: If full top course tiles need cutting at ridge, you must measure and fold tile first, and then cut tile to correct ridge measurement

Please note: This information is to be used as a guide only. It assumes that the structure of the existing building is in accordance with the building practice.

At your request a custom specification can be written for your individual project. Please contact our technical department for assistance.

Bramble Brown

Colours Available

Note: We can now offer Chic finish.
This is a smooth powder coated finish as an alternative to granulated and can be manufactured to suit any colour.

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