Pantile 2000

Note: if the purlin centres are greater than 900mm, lattice support wires should be used to eliminate the sagging of the breather membrane.

Purlins & Rafters:
Size and centres to be designed to suit Britmet Pantile 2000 tile effect roofing sheets. 

Note: for timber purlins, the Tek screw/fastener must have a min. of 38mm penetration. 

Note: steel & zed purlins should be a minimum gauge of 1.25mm.

Pantile 2000 Tile Effect Roof Sheet:
All 0.9mm Pantile 2000 galvanised steel sheets are coated using a pigmented mineral-filled acrylic coating, available in 6 standard colours.
Note: All sheets MUST be laid from right to left.
Note: The first sheet must be laid so that its left-hand edge is perpendicular to the eave.
All sheets should be laid full length (ridge to eaves) where possible and securely fixed to the substructure.
Note: where an end/head lap is to be used, for a roof pitch of 10° or more ­allow a minimum lap of 75mm on the eaves sheet. For a roof pitch of 9° or less ­allow a minimum lap of 300mm on the eaves sheet.
Lapping requirements: lapping to be undertaken over supported areas only and all sheets must be mitred.

Fixings:
Main sheet fixings are to be fixed through the crown of the profile using Tek screws with a cap colour to suit. Fixings are to be placed at 3 per sheet, per purlin, except for the eaves and ridge purlins which shall be placed at 4. Side lap stitching screws are be placed on every third tile for roof pitches of 10° or more. For roof pitches of less than 10°, they should be placed every second tile. Tek screws are supplied by Britmet. (These quantities may vary due to wind loading or other factors)
Note: For coastal areas, stainless steel screws must be used.

• All holes in the sheet must be drilled (not punched).
• All cutting must be made by a 110-volt nibbler or jigsaw and must take place on the ground or away from the material already fixed.
• All on site cutting to be immediately treated with Firtan, an anti-corrosive material, or touch up kit, provided by Britmet.

Note: After cutting, all swarf must be removed from the roof immediately.

Ridge / Hip Flashing:
The minimum girth of 400mm, 5 times bent, butt-jointed with 50mm under strip or lapped 50mm. (Manufactured length 2m). 3 Fixings should be placed on each side. For roof pitches of 10° or below, hip details should be sealed using compriband expanding foam (B52 25mm x 10mm x 4m).

Barge / Mono Ridge Flashing:
The minimum girth of 340mm, three times bent, buttjointed with 50mm under strip or lapped 50mm. (Manufactured length 2m) 3 Fixings should be placed on each side.

Valley Flashing:
The minimum girth of 420mm, three times bent, buttjointed with 50mm under strip or lapped 50mm. (Manufactured length 2m) 3 Fixings should be placed on each side. For roof pitches of 10° or below, valley details should be sealed using compriband expanding foam (B52 25mm x 10mm x 4m).

Pipe Flashing:
All standard vent pipes to be finished with Dektite pipe flashing (Supplied by Britmet)

Upstand / Apron Flashing:
Upstand minimum girth is 350mm, twice bent. Apron minimum girth is 300mm, three times bent. Butt jointed with 50mm under strip or lapped 50mm. (Manufactured length 2m.) 3 Fixings should be placed on each side.

Special Flashing:
All chimneys, vents, and special flashings are nonstandard dimensions. Manufactured and coated in identical material to the main roof covering or as required by the client.

Flashing End Caps:
For ridge, barge and hips. Manufactured and coated in identical material to the main roof covering.

Plastic Comb Fillers: (Ridge, Eaves, Hip and Valley)
Ridge and hip should be Tek screwed to the sheet. Eaves and valley should be Tek screwed to the flashing. 

Note: For roof void ventilation at the eaves, use either soffit ventilation or the over fascia ventilating system, OFVS supplied by Britmet. 

For duo roof pitches greater than 15° use OFVS 10. For duo roof pitches less than 15° use OFVS 25.

Sealant:
All sealant for side laps to be butyl mastic bead, code IDL 0303, grey or black. 

• Pitches greater than 9° minimum mastic bead diameter 6mm 
• Pitches less than 10° minimum mastic bead diameter 10mm

All work must be inspected upon completion and any damaged work should be replaced. All debris to be completely cleared from the roof area prior to the removal of the scaffolding.