Tendering text
Save heating energy and
reduce CO2 Emissions –
Seal roof and facade membranes
windtight and rainproof
You will find the individual items for your bill of quantities here.
Just fill in desired implementation in your bill of quantities.
You can find further information at www.siga.ie
Work areas
 Pitched roofs from a roof slope of 10°
 Facades
 Lightweight constructed wall with intermediate insulation
 Window and door frames in lightweight constructed walls
Trades
 Carpenter
 Roofer
 Heating & ventilation fitter/plumber
 Joiner
Item
Seal roof and facade membranes windtight to/at
Overlaps
Pipe/cable penetrations
Chimneys / flues and other angular penetrations
Rising building parts (masonry, dormers etc.)
Skylights / roof exits
Item
Seal overlaps windtight and rainproof
using single-sided, diffusion-open, high performance adhesive tape
(sd – value < 2m), non-embrittling, 60 mm wide, free of domestic poisons, UVstable (weather resistant at least 12 months), hand-tearable, type SIGA-Wigluv:
Lay roof and facade membranes correctly in accordance with the manufacturer’s
specifications.
The substrate must be capable of bearing loads and must be free of ice, dust,
grease, oil and other adhesive-repellent substances.
Fix the adhesive tape over the centre of the overlap, align it and, after removing the
backing paper, press on well.
The manufacturer’s directions for use must be followed.
Metres
Unit price
Total price
n
Item
Seal pipe and cable penetrations windtight and rainproof
using single-sided, diffusion-open, high performance adhesive tape
(sd – value < 2m), non-embrittling, 60 mm wide, free of domestic poisons, UVstable (weather resistant at least 12 months), hand-tearable, type SIGA-Wigluv:
Seal roof and facade membranes correctly to the penetrations in accordance with
the manufacturer’s specifications.
The substrate must be capable of bearing loads and must be free of ice, dust,
grease, oil and other adhesive-repellent substances.
On roofing areas, the water must be diverted above the
penetrations into an adjacent rafter section. Seal membrane to
pipe /cable using short pieces of adhesive tape in layers and
free of tension, affix tape over cuts.
The manufacturer’s directions for use must be followed.
Metres
Item
Unit price
Total price
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Seal angular penetrations windtight and rainproof
using single-sided, diffusion-open, high performance adhesive tape
(sd – value < 2m), non-embrittling, 60 mm wide, free of domestic poisons, UVstable (weather resistant at least 12 months), hand-tearable, type SIGA-Wigluv:
Seal roof and facade membranes correctly to the angular penetrations in
accordance with the manufacturer’s specifications.
The substrate must be capable of bearing loads and must be free of ice, dust,
grease, oil and other adhesive-repellent substances.
Cut adhesive tape to length, fold in the centre, remove backing paper and affix
precisely in the corner. Make diagonal cuts in overhanging corners and press on well.
The manufacturer’s directions for use must be followed.
Metres
Item
Unit price
Total price
n
Seal (temporarily) rising building parts windtight and rainproof
using single-sided, diffusion-open, high performance adhesive tape
(sd – value < 2m), non-embrittling, 60 mm wide, free of domestic poisons, UVstable (weather resistant at least 12 months), hand-tearable, type SIGA-Wigluv:
Seal roof membranes correctly to the rising building parts in accordance with the
manufacturer’s specifications.
The substrate must be capable of bearing loads and must be free of ice, dust,
grease, oil and other adhesive-repellent substances.
Fix the adhesive tape centrally to the edge of the membrane, align it and, after
removing the backing paper, press on well.
The sealing performs a rainproof function during the construction phase; the wall joints
are subsequently kept waterproof (see item ...).
The manufacturer’s directions for use must be followed.
Metres
Unit price
Total price
n
Item
Seal skylights/roof exits windtight and rainproof
using single-sided, diffusion-open, high performance adhesive tape
(sd – value < 2m), non-embrittling, 60 mm wide, free of domestic poisons, UVstable (weather resistant at least 12 months), hand-tearable, type SIGA-Wigluv:
Seal roof and facade membranes correctly to the frames in accordance with the
manufacturer’s specifications.
The substrate must be capable of bearing loads and must be free of ice, dust,
grease, oil and other adhesive-repellent substances.
Fix the adhesive tape centrally to the edge of the membrane, align it and, after
removing the backing paper, press on well. Seal all corners windtight and rainproof. On
roofing areas, the water must be diverted above the skylights into an adjacent rafter
section.
The manufacturer’s directions for use must be followed.
Metres
Unit price
Total price
n