Gravity rainwater outlets
Find and specify gravity rainwater outlets from top manufacturers with NBS Source. Browse 60 products that are ready to use on your projects. Classification Pr_65_50_35_37.
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SitaCompact Balcony & Terrace Rainwater Outlet - Thermally Insulated Roof Outlet
Verified 14 days ago
Sita Bauelemente GmbH
Range of thermally insulated roof outlets with small cross-sections and large capacity for use one areas where space may be constricted.
SitaRetention Blue Roof Flow Restrictor - Controlled Rainwater Drainage Retainers
Verified 14 days ago
Sita Bauelemente GmbH
Range of flow restrictors for controlled rainwater drainage on blue roofs by the targeted reduction of water intake.
SitaEasy Go Parapet Rainwater Outlet - Parapet Outlet
Verified 14 days ago
Sita Bauelemente GmbH
Thermally insulated parapet outlet, for main and emergency drainage through the parapet.
SitaGreen Green Roof Inspection Chambers - Modular Inspection Shaft for Area Outlet
Verified 14 days ago
Sita Bauelemente GmbH
Green roof shafts providing a solution for rainwater drainage on all levels of the layered structure for planted roofs. Suitable for intensive and extensive roofs.
SitaSani® Refurbishment Rainwater Outlet - Thermally Insulated Roof Outlet
Verified 14 days ago
Sita Bauelemente GmbH
Range of thermally insulated roof outlets for refurbishment projects. This compensates for the existing waterproofing and insulation layers to the roof outlet or downpipe.
SitaEasy Parapet Rainwater Outlet - Parapet Outlet
Verified 14 days ago
Sita Bauelemente GmbH
Thermally insulated parapet outlet, for main and emergency drainage through the parapet.
SitaTrendy Rainwater Outlet - Thermally Insulated Roof Outlet
Verified 14 days ago
Sita Bauelemente GmbH
Range of small, strong, flexible thermally insulated roof outlets with bodies made of rigid polyurethane integral foam.
SitaStandard Rainwater Outlet - Thermally Insulated Roof Outlet
Verified 14 days ago
Sita Bauelemente GmbH
Range of thermally insulated roof outlets with bodies made of rigid polyurethane integral foam.
Outlet - TPE Circular Downpipe Outlet 240mm(L) - Ribbed Flange
Verified 26 days ago
Wallbarn Ltd
TPE circular rainwater drainage outlet with a ribbed flange for downpipes on flat roofs for bonding to bitumen based waterproofing membranes in a sandwich technique. Shaft length available in 240 mm.
Outlet - TPE Circular Downpipe Outlet 240mm(L) & 600mm(L) - Perforated Flange
Verified 28 days ago
Wallbarn Ltd
TPE circular drainage outlet with a perforated flange for downpipes on flat roofs for bonding to bitumen based waterproofing membranes in a sandwich technique. Shaft Length available in 240 & 600mm.
Outlet - EPDM Circular Downpipe Outlet (Smooth Flange)
Verified 28 days ago
Wallbarn Ltd
EPDM Circular Downpipe Outlet suitable for EPDM & Bituminous membranes. Has a smooth flange to improve bonding with adhesive. Available in a variety of diameters to suit downpipes between 40 to 200mm.
Outlet PVC Corner (Through Wall) - Round & Square Shank
Verified 28 days ago
Wallbarn Ltd
PVC drainage outlets for corners and drainage holes next to parapets. Bonded to PVC waterproofing membranes only to improve waterproofing and protection. Varied sizes with square or round mouth.
Outlet - TPE Corner (Through Wall) Perforated Flange
Verified 28 days ago
Wallbarn Ltd
Corner Outlet manufactured from TPE compound for bonding to bitumen based waterproofing membranes in a sandwich technique. Ideal for hot melt and felt. Available in 45°, 90° in Square & Round Shank.
Outlet - EPDM Corner (Through Wall) - Round & Square Shank
Verified 28 days ago
Wallbarn Ltd
Preformed shape for insertion into drainage outlets to improve waterproofing and protection; for use with EPDM and bituminous waterproofing systems.
Outlet - EPDM Circular Downpipe Outlet (Perforated Flange)
Verified 28 days ago
Wallbarn Ltd
EPDM Circular Roof Outlet with perforated flange to improve adhesion to the bituminous membranes. The shaft has a length of 250mm and available in sizes to fit downpipe diameters of 40mm to 200mm.
Outlet - EPDM SIPHON Circular Downpipe
Verified 28 days ago
Wallbarn Ltd
A variation on the design of the standard drain connector in EPDM which incorporates the perforated flange. It has a special siphon mechanism with integrated leaf guard and siphon cap.
Outlet - Universal Rectangular Leaf & Gravel Guard
Verified 1 month ago
Wallbarn Ltd
Rectangular shaped leaf guard for insertion into corner through wall drainage outlets. Suitable for EPDM, PVC and TOE outlets.
Outlet - Metal & Polypropylene Universal Leaf & Gravel Excluder
Verified 1 month ago
Wallbarn Ltd
Universal metal and polypropylene leaf guards for insertion into downpipe drainage outlets. Suitable for EPDM, PVC, TPE and HDPE outlets. Available in polypropylene, zinc, copper and stainless steel.
Outlet Spider Leaf and Gravel Excluder
Verified 1 month ago
Wallbarn Ltd
Heavy-duty leaf and gravel guards for insertion into downpipe drainage outlets with integrated rod and fins to give secure fit into spigot of drainage outlet.
Outlet Helix Leaf & Gravel Excluder
Verified 1 month ago
Wallbarn Ltd
Heavy-duty leaf and gravel guards for insertion into downpipe drainage outlets with integrated rod and fins to give secure fit into spigot of drainage outlet.
ProFlow S Rainwater Outlets
Verified 2 months ago
Radmat Building Products Ltd
A range of rainwater outlets for PVC single ply membrane and reinforced bitumen membrane roofs.
Harmer Balcony Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Cast Aluminium Balcony Outlet
Harmer Extended Gully Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Extended Aluminium Gully Roof Outlet
Harmer Detail Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Cast Aluminium Anti-Vortex Detail Roof Outlet
Harmer Gully Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Cast Aluminium Gully Outlet
Harmer Extended Balcony Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Extended Aluminium Balcony Outlet
Harmer Extended Detail Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Extended Aluminium 45 or 90 Degree Roof Outlets
Harmer Extended AV Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Extended Aluminium Anti-Vortex Roof Outlet
Harmer Extended Two Way
Verified 2 months ago
Alumasc Water Management Solutions
Extended Aluminium Two Way Roof Outlet
Wade (WF Series) Cast Iron Roof Outlets
Verified 2 months ago
Alumasc Water Management Solutions
Cast Iron Two Way Roof Outlet With Choice of Grating Material, For Parapet Wall Drainage
Wade (WB Series) Cast Iron Roof Outlets
Verified 2 months ago
Alumasc Water Management Solutions
Cast Iron Roof Outlet For Use On Inverted Roof
Harmer Two Way Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Cast Aluminium Two Way Parapet Outlet
Harmer Balcony Cast Iron Roof Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Cast Iron Balcony Outlet
Harmer Planter Cast Iron Roof Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Planter Cast Iron Roof Outlet With Perforated Upstand
Harmer Two Way Cast Iron Roof Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Cast Iron Two Way Roof Outlet
Harmer Car Park Outlet
Verified 2 months ago
Alumasc Water Management Solutions
Cast Aluminium Car Park Outlet
Showing 1-36 of 60