Temporary Sealing For Air Tightness Test
What is key to ensure air tests with temporary sealing are effectively organised?
Contact HRS early to discuss the scope of works. HRS offer advice to enable a schedule of temporary sealing works which identifies:
- What needs temporary air sealing.
- The number and size of intakes/extracts/louvres; access required.
- What materials and equipment are needed.
- Then programming the sealing works to coordinate with other site works including commissioning.
Failing to adequately plan for temporary sealing usually leads to stress on the day of the air test and failure of the air test.
HRS has teams of temporary sealers with the experience gained on attending and supporting 1000’s of air tests on projects nationwide. Most of HRS temporary sealing teams are experienced air sealers. The can also offer smoke testing skills and practical advice on how to carry out remedial sealing.
HRS temporary sealing teams have the relevant training and certification to set up and access scaffold towers, scissor lifts, cherry pickers and where access is particularly difficult rope access. All HRS personnel are provided with body harnesses and lanyards to safely access man safe systems.
HRS temporary sealing teams come equipped with specialist equipment to enable all elements of the building to be quickly and effectively sealed. Equipment can include extendable props, sheet materials – polythene, foil faced boards, COREX, thin plywood and different tapes and glues including low tack variants to avoid damaging finishes.
If you are unsure what sealing services you require please call 0800 030 4391 or email email@example.com and of HRS Services Sealing Consultants would be happy to let you know where HRS can help you.
All mechanical ventilation needs to switched off and in some cases isolated and attendance by the installer is normally required.
HRS temporary sealing teams normally attend and support during the air test itself and are on hand to strip the temporary sealing after the air test is complete.
The air test is a pressure test on the thermal envelope of the building, which should be complete. All intentional ventilation openings including H and V ductwork, louvres, trickle vents can be temporarily sealed. All drainage traps should be filled with water.
Smoke vents are not intentional ventilation openings and should NOT be temporarily sealed. Other elements which should not be sealed are all external doors, windows etc. Please note that if they are sealed this will invalidate the air test and the air tester will note these in the air test report.
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