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How to install gutter guards to box gutters

Posted on July 14, 2020
By Aussie Gutter Protection

Box gutters are so-called because they have higher edges on all sides than other gutters and are boxed all the way around. Although they’ve previously been used mainly on industrial and commercial buildings, they’re now becoming more common and popular for residential properties.

Box gutters are typically located between two adjoining roofs to catch the rainwater from both. Being wider and deeper than other types of gutter, with the highest edge being the parapet wall, they cannot normally be seen from the ground. Their location is prone to being clogged with leaves and other debris that cannot get away, causing flooding rather than water going into downpipes. Gutter guards are therefore extremely important to prevent this happening and water being unable to flow to the downpipes. However, the width and depth of box gutters makes it more difficult to fit guards than for other types.

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    Choosing the Best Type of Gutter Guard for Box Gutters

    There are various types of gutter guards available, but some of these are more suitable for fitting to box gutters:

    Box gutter, Gutter Guard
    Whatever type you choose, make sure it’s suitable for box gutters. In particular, ensure the supplier can provide the size of product that will fit the larger box gutters Its also important that the material chosen can both support its own weight as well as the weight of any material that may land on it. At AGP we recommend our Tuffmesh Range for box gutters as its 50% extra strength compared to standard Guttermesh products available gives it the rigidity to span the gap. We also offer specialised bracing options for particularly wide box gutters or parapets.

    Comparison of Gutter Guards

    Integrated Mesh Gutter Guard Brush Gutter Guard Mesh Panels or Flat Panels Foam Inserts Vinyl Guard
    Reduce Maintenance
    Leaf Proofing
    Prevents Blockages
    Strengthens Gutter Systems
    Bird and Pest Proofing
    Bushfire Protection
    Water Harvesting

    Find a Gutter Guard Installer

    Step 1: Preparation for Installation

    Unless you’re fitting to new gutters, ensure everything’s clean and debris-free before you start. Since gutter guards aim to prevent debris from blocking your gutters, ensuring there’s none there before fitting them makes sense.

    To do the job thoroughly and safely, you’ll need a ladder that’s long enough to reach the gutters easily, stout gloves and goggles for protection, a stiff brush and gutter scoop to remove debris, a hosepipe to flush the gutters and a sheet to catch any dislodged debris. Place the sheet below where you will start and set up the ladder securely, possibly with someone at the bottom, to ensure stability.

    Use the stiff brush to dislodge debris and the gutter scoop to remove it. Clean off mould and dirt simultaneously, use the hosepipe to wash down the gutters, and remove any residual small amounts of dirt and debris. Ensure the water runs freely out of the downpipes; if not, try to clear any obstructions with a stick. You may have to dismantle a downpipe if you can’t remove obstructions in other ways.

    While you’re undertaking the cleaning, inspect the gutters for cracks, leaks and other problems. You can seal minor gaps with silicone or mastic and must re-fix any loose guttering. Sections may need to be replaced if there are serious faults.

    All this may seem like a lot of work, but you must ensure a clean and secure base before installing your gutter guards. And, once they’re in place, you won’t have to repeat the exercise to the same extent because your gutters will be kept clear.

    Box gutter, Gutter Guard

    Fitting your Gutter Guards to a Box Gutter

    The actual fitting method will depend on the type of gutter guards you have. If you’re unsure how to fix gutter guards to box gutters or are unhappy working at height, take advantage of our installation service. We’ll thoroughly clean and flush out your gutters, even remove tree branches that may cause problems and then carefully and securely fit gutter guards that are accurately made to the correct size.

    If you are comfortable fitting your own, we can supply all the materials you need for your building’s box gutters.

    Step 2: Measure the Mesh to the Section of the House

    After cleaning the box gutter, measure the length of the gutter guard mesh for the section of the house you will do first.

    Carefully roll out the gutter guard mesh and leave a 20-30cm overhang at each end of the box gutter.

    Step 3: Cut The Mesh From the Remaining Roll 

    Next, cut off the remaining roll; don’t forget to leave a 20-30cm overlap at each end. 

    Ensure that you are wearing gloves when cutting, as the edge of the material is sharp and can miss you. 

    Step 4: Fix the Gutter Guard To The Far Gutter’s Edge With Your Trim 

    At one end, place the trim along the outer gutter’s edge, ensuring that the mesh covers the gutter and is entirely underneath the trim. 

    Make sure the gutter guard mesh is laid flat, and then screw the trims into position roughly every 2500mm using self-drilling screws—Screw-in one trim at a time. Continue the process along the entire section.   

    Galvanised roof gutter guard

    Step 5: Make 2 x 40mm Cuts Either Side Of Every Second Corrugation 

    To the mesh closer to the roof, make two 40mm cuts either side of every second corrugation. The cuts ensure that the mesh is secured seamlessly to your roof and prevents crevasses for debris to enter

    Next, Place the saddle over the corrugations where you made the cuts. The saddle should sit above the mesh covering the corrugations. 

    Step 6: Secure Mesh to Roof via Saddle and Screws

    Screw the saddle onto the roof using screws. It is best to apply firm pressure while screwing the saddle to prevent it from moving off the corrugation. 

    If you are comfortable fitting your own we can supply all the materials you would need to fit your buildings box gutters.

    At AGP we cut all our materials to size in house. The outcome is gutter guards that are perfectly made and fitted so they serve their purpose for many years with little attention needed. After all, if you are going to fit our high quality guards, you might as well make sure the whole job is of the same standard rather than risk spoiling the outcome with poor quality installation.

    Speak to us about getting gutter guards installed for your home.

    Learn more about Gutter Guards

    A professionally installed physical barrier is all it takes to keep these problems from affecting your home or business. This small investment will save you a lot of money and save you the constant work of cleaning out debris from your gutters.

    Get yours today by contacting Aussie Gutter Protection, the specialists in gutter guard products for Australian conditions.

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