Posted by Mohammad Huzefa Khanalmost 7 years ago
NEED SYSTEM FOR RETURN AIR DUCT 1200X800
INTER ROOM WALL OPENING FOR SUPPLY AND RETURN DUCT RAD-1200X800 .SUPPLY AND INSTALLATION OF ROCKWOOL FILLING WITH APPROVED FIRE RATED SEALANT,CHEMICAL RETARD ON PVC MATERIAL,BOTH SIDE OF ENTRY
1 Reply
Posted by musmanalmost 7 years ago
Dear Mr. Huzefa,
Thank you for your question.
For this case you will need an engineering judgement. Please contact your local Hilti firestop specialist, Mr Shiva Prasad (Shivaprasad.Hegde@hilti.com) for assistance.
Best regards
Usman