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Our Easi-Fix Helical Bars are effective at stopping structural movement and returning stability. Easi-Fix is a specialist range of structural repair products that are precision engineered, highly effective and long-lasting. Call our team of technical advisers today for more information on 0117 982 3282. Twistfix only supplies helicalbars produced with this advanced engineering.The upgraded bars areproduced in the UK's only manufacturing facility that, under one roof,takes in round wire and sends out finished helical products. Other manufacturers merely part-process pre-shaped wire thathas been cold roll-profiledby a third party. Apply a second bead of anchor grout into the slot, making sure that the first bar is completely covered. Trowel away any excess grout before adding the second helical bar. This bar should reach around half the depth of the slot and be at least 10mm from the first bar.
Bars - Thor Helical | Wall Ties | Helical Crack Stitching Bars - Thor Helical | Wall Ties | Helical
At Permagard, we’ve been manufacturing innovative structural repair products for over 25 years. As an independent helical bar manufacturer, we work hard to remain market leaders and ensure compliance with all standards. Helical bars when used for lintel repairs are available in three and seven metre lengths. These longer lengths allow the bars to extend beyond the window or door by the required 500mm. You can also cut the longer lengths to the exact size required. Push a helical bar into the incision about three-quarters deep. Ensure the grout encapsulates it and compress any grout that has been displaced. We have broken down the installation into simple easy to follow steps. The installation method outlined below applies to both window and door lintels. It is strongly recommended that you install helical bars at two levels above the failed lintel. In this article, we're sharing read on for more information on the several types of helical bars available and their different purposes. Below are the most common helical bars used for construction and structural repair purposes. What are Helical Spiral Bars?Sometimes lintels don’t exist in the first place. When there isn’t a lintel above a window, it usually means the masonry was built directly onto the window frames. In this instance you can create a new lintel using helical bars. You can do this by installing two levels of helical bars using the method outlined above. General builders are able to buy Twistfix helical bars in a wide range of lengths and diameters; all with improved product tolerance and consistency. Helical spiral bars also provide extra strength in footings, parapets and retaining walls. They can be used during new construction or remedial work in existing buildings.
Bars | 6 mm x 1 m - Twistfix Crack Stitching Kit | 10 Bars | 6 mm x 1 m - Twistfix
YOU SHOULD REPEAT THIS PROCESS FOR THE SECOND LEVEL. THE SECOND LEVEL IS CREATED BY CUTTING ANOTHER SLOT FOUR COURSES ABOVE THE FIRST USING EXACTLY THE SAME METHOD. Where timber lintels are used, often in older properties, you are at risk from wood rot (wet and dry) as well as wood boring beetles. This can affect the structural integrity of the timber and mean that need you to replace or repair them using helical spiral bars as outlined in this guide. Push the second bar into the grout, reaching around 50% of slot depth; this should always be at least 10mm from the first bar. Once again, trowel any excess grout to ensure full encapsulation of the rod. The ties can be installed using a SDS-Plus shank hammer drill to drive and countersink the tie. The unique design of the helical tie means the tie can be easily driven into a 5.5mm pre-drilled pilot hole. The fins of the tie undercut the masonry when being driven into the substrate to provide an expansion-free anchorage that will withstand tension and compression loads.
Insert a further bead of HeliBondover the exposed HeliBar, finishing 12mm from face and ‘iron’ firmly into the slot using the HeliBar insertion tool Helical bars are stainless steel reinforcing rods. Power rollers squeeze the rod to alter its shape. The shaped rod twists through a die to form a helix. The cold working doubles the rod's tensile strength. The twisting makes the bar more ductile. What are Helical Bars used for? Twistfix helical bars are bonded into slots that have been cut at pre-determined levels within the masonry. In the longer lengths they are used mostly in lots of four, two rows each with a pair of bars, to form the upper and lower flanges of a deep masonry beam which will carry quite a large area of masonry above an unsupported area. It does this by redistributing the load placed on the structure to solve any problems which may have been caused due to localised structural movements. Insert a second helical bar into the incision about halfway into the incision. Ensure a 10mm gap between the two bars. Helical bars are buried into slots made in the wall surface. The slots are typically orientated horizontally along the face of the wall and the bars are bonded to the masonry using a high performance polymer modified grout. What are the applications for helical bars?
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