Leak Action / Cause
No .
1 Lapscribe to Protan single ply membrane on the dormer window , 1 small defect identified on corner reinforcing patch front left-hand corner .
Flood test to dormer window box gutter , red dye used . 2 hours no result .
Spray test to right hand secret gutter behind dormer window where it joins the vieo roof sheets . 1 hour no result .
Spay test to dormer cheek upstand and gutter detail right hand side . 40 mins no result .
Spray test to left hand junction between Vieo roof sheets and dormer secret gutter . No result 1 hr .
Simulated rainfall test to eaves filler on mansard roof . 30 mins no result . Flow test to Mansard mono ridge detail , mastic repair . 20 minutes result . Allowed water to dry up and repeated flow test , drip rate increased after 10 minutes .
Photo Ref Appendix C
Testing methods used ( see Appendix D )
Used
3 stage outlet test yes
© Building Transformation 2022
Electronic leak test Lap Scribing / Visual Inspection Flow / Flood Testing Simulated Rainfall Testing no yes yes yes