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The pace of change in terms of what new buildings are capable of is exciting and fascinating in equal measures and at Helical we are proud to be at the forefront of this fast emerging technology, delivering market leading buildings which optimise the comfort and experience of their occupiers. The unreinforced masonry between the stainless steel bars functions as the ‘web’ of the beam, which takes the horizontal shear loads.
HeliFix Crack Repair Helibar Cardboard Tube c/w end caps 1m x HeliFix Crack Repair Helibar Cardboard Tube c/w end caps 1m x
The effective functioning of a beam relies on the reinforced zone having cracks filled and being free of slip planes, such as cavity trays or damp-proof courses. Helical applies excellence, integrity and sustainability to all aspects of the business and has a dynamic, experienced and close-knit team which I am delighted to be a part of. When the helical tie is securely fitted, it provides a mechanical connection between the masonry façade and its backup material, or between multiple widths of brick. Before attempting to repair a crack in a wall we suggest a structural engineer is consulted to determine the cause of the crack and how the masonry repair strategy should be undertaken.Whether on the technical helpline, behind the trade counter or with our How To guides, Chris makes sure that our users feel complete confidence in the systems and products we sell, and know how to use them to get the job done. You will need to add or replace wall ties if there are not enoughor the existing ties are corrodedto provide structural stability. This exclusive kit contains all the key components needed to repair vertical or stepped cracks in masonry walls. Apply a second bead of grout into the slot making sure that the bar is completely covered and with the trowel provided force the grout into the slot until it is approximately 10mm from the surface and ensuring that the bar and grout are firmly packed.
HeliFix Structural Fixings | Builders Metalwork | Screwfix HeliFix Structural Fixings | Builders Metalwork | Screwfix
Our guide to wall tie installation takes you through the correct spacing and installation of wall ties. In retrofit applications, placing two sets of high-tensile helical bars into bed joints above windows, extending 500mm either side the opening, forms tendons that represent the upper and lower flanges of a deep masonry beam. Permagard is a leading manufacturer and supplier of basement waterproofing products, damp proofingmembranes, and structural repair products.Using a wall chaser, cut or chase out a slot in the horizontal mortar bed above the first course of bricks, sitting directly above the lintel. If you are dealing with a brick flat arch lintels, you can easily carry out lintel repair with helical spiral bars. Easi-Fix is a specialist range of structural repair products that are precision engineered, highly effective and long-lasting. You can use helical spiral bars for different purposes, including masonry bed joint reinforcement and anti-crack reinforcement around doors and windows.
How to Use Helical Bars for Lintel Repairs - Twistfix
This cement-based anchoring grout provides a powerful bond and imparts long-term stability, maintaining maximum contact with the brickwork. Helical bars are known to exhibit an extraordinary tensile strength that is double that of rebar and four times that of epoxy glass-fibre.
Where the span to depth ratio doesn’t exceed seven to one, the tables show that, after applying factors of safety, lintels spanning an opening of up to 3. It is important before carrying out the installation of this system that the cause of the cracking is established and remedied and a structural engineer consulted if necessary.
Bars | 6 mm x 1 m - Twistfix Crack Stitching Kit | 10 Bars | 6 mm x 1 m - Twistfix
They provide additional strength at weaker points - if a load-bearing lintel is damaged then it requires attention.Stainless steel bars for crack stitching are supplied in lots of 500 and packed in resale bundles of 10 and 25.
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