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    Leaf Guards & Gravel Excluders

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    Wallbarn offers a range of leaf guards which help to ensure water drains efficiently from your rooftop.
     
    When roof outlets are installed and properly bonded to the waterproofing membrane, it is essential that the holes do not become clogged up, which can restrict drainage and lead to standing water on the roof deck.
     
    DOME-SHAPED LEAF GUARDS

    Our excluders come in zinc-plated iron, copper, stainless steel and plastic, and fit into all designs of circular/downpipe outlets and connectors and are compatible with all different manufactured materials.

    They are designed with 12 rods at the bottom which have a slightly serrated edge, so that the leaf guard can be inserted into the hole and the edges will grip onto the inside of the drain connector or outlet, which has a series of small ridges around the inside rim of the shaft.

     

     

    Wallbarn code

    Name

    D1

    D2

    H

    210-015-125-010

    ZINC IRON  leaf guard

    120

    115

    110

    210-015-125-020

    COPPER IRON  leaf guard

    120

    115

    110

    210-020-080-125

    PLASTIC  leaf guard

    140

     

    160

    210-015-125-030

    STAINLESS STEEL leaf guard

    120

    115

    110

    See the CAD images here

    They are UV resistant and will withstand all normal chemicals in the atmosphere.

    They can be fitted onto TPE, EPDM or PVC outlets easily without the need for fixings or bonding and can be removed and re-used without issue.

    It is important to check the leaf excluders regularly and clean out the area around them.

    GRAVEL EXCLUDERS

    Our gravel excluders are available in plastic for use in circular drain connectors and roof outlets where the area is covered with a gravel or pebble layer (such as border edges or shingle ballast in an inverted roof system).

    Made from polypropylene, they consist of a sturdy cage on the top with strong sidebars and slats for the water to drain through.

    We have two main designs: the Helix spoke (with three wide spokes) and the Spider fitting (with an angled four-spoke design). Both these designs allow for installers to trim the spokes back easily using a sharp knife to fit the diameter of the outlet holes perfectly.

     

    Wallbarn code

    Name

    D1

    D2

    H

    H 1

    210-030-075-200

    HELIX gravel excluder

    208

    230

    50

    220

    210-030-080-200

    SPIDER gravel excluder

    208

    192

    50

    140

    Regular maintenance and clearing of gravel excluders is recommended.

    See the CAD images here

    SQUARE LEAF GUARDS
    Wallbarn now offers a strong, flexible plastic leaf guard designed for use with our range of corner / parapet / through wall outlets.

    Made from a durable and hardwearing plastic compound, they fit securely into the mouth of the hole without the need for fixings or adhesive.

    Square Leaf Guard

    For right-angle faced outlets, both those with the square shaped mouth and those with the circular spigot, this RIGHT ANGLED SQUARE LEAF GUARD is ideal. The leaf guard has two prongs which will grip the inside of the spigot to ensure a good fit.

    leaf2

    Although the square leaf guards are designed with straight sides, they can be used for both types of through-wall outlet โ€“ those with the right-angled face and those with the 45ยฐ angled face and mouth.

    Square Leaf Guard
    Square Leaf Guard

    For those outlets with a fillet-type angle around the mouth, the side arms can be cut with a sharp blade to create the 45ยฐ angle, giving a correct fitting. As these leaf guards are manufactured from plastic, they can easily be trimmed to alter the shape or reduce the size without affecting their performance.

    PRODUCT CODE

    MATERIAL

    WIDTH

    INNER WIDTH
    (between prongs or arms)

    HEIGHT

    210-030-090-010

    Plastic compound

    170mm

    90mm

    115mm

     

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