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DDA Handrail With Corners/End Loop Kits Using D725 Clamp
There are 2 ways to change the direction of a run of DDA handrail, this blog will show how the D725 key clamp can be used to form 90° corners and end loops. Alternatively if you need to change your direction by anything other than 90° or need to change the gradient then please click here for our guide to using the to form obtuse and acute angles.
All products mentioned in the following blog can be found and purchsed at the bottom of the page.
If this particular system does not meet your specific requirements/design however, the beauty of our DDA Range is our fittings can be configured to make any guardrail system you wish. You can find all our DDA How To Guides here. If you need further assistance or have any sketches you wish for us to look over and advise, please contact us on 020 8254 2626 or email sales@AlvinKeyClamp.co.uk
The following steps explain how the design above can be accomplished
Before turning the corner of your handrail, there needs to be a maximum distance of 500mm between an upright and the corner. Simply cut the relevant amount of tube and slide into the D725.
The following step is just as simple as the first. Place your next bit of cut tube on the other side of the D725, thus giving the 90 degree corner that your DDA handrail needs to follow.
Unless it is terminating back to a wall, your DDA Handrail needs to finish with what we call an End Loop. This reduces the risk of clothing being caught which is a requirement of Part M of the Building Regulations. All you will need for this is 2 sets of tubes cut at 300mm for the horizontals and a piece of tube cut to make the vertical component of the End Loop. The length of this vertical section will depend on the chosen top rail height; to work this out, subtract 660mm from the top handrail height, this should set the top surface of your midrail at 600mm from the floor. If your mid rail is at a different height to the default 600mm, take your mid rail height measurement, add 60mm to account for the two 90º clamps and subtract that answer from your top rail height.
If you have a handrail that is turning 90º and then travels straight down a slope, you can form the gradient change simply by rotating the D725 clamps to form the desired gradient.
To meet Part K or Part M of the building regulations, handrail should "not become excessively cold or hot to touch" and you should “ensure that the handrail will contrast visually with the background against which it is seen without being highly reflective”. This can be achieved through either Powder Coating or painting the handrail. Very dark colours may get hotter in the summer sun. Find out more information on our Powder Coating service here.
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The D725 can also be purchased in the Kits below.
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