Harmer Roof Outlets - 48 Pages
Metal Rainwater Outlets Harmer AV Retro-Gulley Roof Refurbishment Retaining Existing Cast Iron Outlet 2 coats of asphalt on isolating membrane Harmer Roof AV refurbishment outlet Clamping collar New insulation board Old cast iron outlet remains undisturbed- PU foam sealant between old and new outlets Timber frame seating for refurbishment outlet PU foam sealant injection port - Existing pipework_ Refurbishment outlet tail pipe Harmer multi-finned pipe seal Sitework Remove old asphalt. Leave existing cast iron outlet and pipework in position. Wire brush inside surfaces of old outlet and pipework, and flush through with clean water. Form timber frame around old roof outlet. Lay vapour barrier and insulation. 4 Check for clearance and shorten tail pipe of Harmer Retro Gulley as necessary. Flush through again with clean water. Fit rubber pipe seal. [ 5 Install Harmer Retro Gulley and inject PU foam between new and old outlet. [6 Lay isolating membrane and two coats of asphalt dressed into Harmer Retro Gulley. Bolt clamping ring and grate in position. 38 Alumasc Technical Helpline 01744 648400
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Application Dtails and Installation HRRfTlER Alumasc Technical Helpline 01744 648400 33 -
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Metal Rainwater Outlets Harmer AV Vertical Spigot Outlet in Warm Roof 2 coats of asphalt Isolating membrane Rigid insulation Vapour barrier Concrete deck... -
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Harmer AV Vertical Spigot Outlet in Warm Roof Metal faced felt - 2nd layer of felt- 1st layer of felt- Rigid insulation board Timber spacing blocks Plywood... -
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Metal Rainwater Outlets Harmer AV Vertical Spigot Outlet and Extension Piece in Inverted Roof Gravel ballast Rigid insulation board- 2 coats of asphalt... -
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Sitework > 1 Screw outlet to steel pipework, place in position and test for leaks. Outlet rim to be min 25mm above finished slab level. ,2Cast concrete... -
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Installing Harmer AV Retro-Gulley 1. Strip all roof coverings back to deck level. Wire brush old outlet and flush with clean water. 2. Form timber frame... -
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Metal Rainwater Outlets Harmer Dtail Two-Way Outlet Installed to Provide Horizontal Take-off From Balcony Lead flashing dpc Screw Harmer screw thread adaptor... -
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Insulated Rainwater Outlets Harmer Insulated Outlet and Extension Piece With Connecting Membrane in Metal Deck Warm Roof Reflective layer of chippings... -
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Insulated Rainwater Outlets Harmer Insulated Outlet With Connecting Membrane and Cut Down Extension Piece in Inverted Roof Protective layer of gravel Rigid... -
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Performance Data and Spcification HRRfTlER Alumasc Technical Helpline 01744 648400 43
