Hairline cracks in self levelling underlay discussion in floor preparation started by ryand, sep 9, 2009. All crack inducers items listed under the precon products own brand category. Wyco ws621505 screed king gaspowered vibration screed. K341 description kryton crack inducing waterstop is specially engineered to produce a waterproof crack control joint. Concrete crack inducers allow you to put the crack where you want it.
Subscribe to our newsletter please send me the brock white newsletter, exclusive offers and product info that brock white believes may be of interest to me. However, screed manufacturers may be happy to guarantee their products at lower levels. Crack inducers pvc crack inducers are used in concrete slabs to induce controlled cracks at specific locations in continuously poured jointless concrete slabs. Concrete crack inducer free delivery in nz true build. Key features are its versatile user friendly designs that allows users to easily adjust the. For optimum performance, and avoidance of potential future cracking or weakness, we would recommend a minimum of 65mm if a sandcement screed is used, or 55mm if a liquid screed is used. This power screed reduces labor hours by allowing users to screed with up to a 20ft board with one user. Also why would it be necessary to feather patch spider crack when the adhesive being spread would do the same thing. Crack inducers crack inducers top crack inducer rfatech. Product was successfully added to your shopping cart. Metal screed chairs are much stronger than plastic and can support heavy tamping bars such as razorbacks. Combiform screed rail works as a dowel bar holder, form system and construction joint.
Screeding is leveling and smoothing the top layer of a material that is poured, such as concrete, so the material is the same height as the forms, or guides, that surround it. Anhydrite floor screeds use a calcium sulphate binder. The magflo boards are constructed of light magnesium that doesnt react with concrete like aluminum screed bars. The unique magnesium power board and power transfer system produces a high frequency vibration that eliminates the honeycomb effect and speeds finishing time. How to lay floor screed, call 01204 521 151, installing floor screed, underfloor heating screeding duration. A reliable 1 14 hp honda gx35 gas engine powers the screed king. Manufactured from pvc, the crack inducers are available in 35mm and 47mm sizes. The speed king is easy to assemble and is virtually maintenance free with no bearings to grease or shafts to lube. Connect them with a jointer to create a pattern as small as 4 sq. Hairline cracks in self levelling underlay the floor pro. Please contact your preferred screed contractor for clarification. A keyway is measured and formed directly opposite the waterstop. King, at the risk of offending you, tinsel is hung on christmas trees.
Krack mate is inserted into wet concrete flush with surface level after screeding stage. It is positioned on the subgrade before the dowel cradles are placed. Pvc crack inducers are used in concrete slabs to induce controlled cracks at specific locations in continuously poured jointless concrete slabs. Traditional screed drying times vary according to the weather conditions, depth and manufacturers admixtures used.
This power screed reduces labor hours by allowing users to screed with up to a 16 ft board with one user. Been to look at a job a mate has prepped,he has put down bonas moisture barrier,then put level flex screed,then fine flow over that. In this case the underfloor heating pipework should be sleeved where it passes below the crack inducement line. The screed chair is adjusted in height by turning the stirrup in the base.
Precon products, a leading national independent supplier of construction products. Crack inducers are available in 35mm and 47mm sizes and are supplied in 2700mm or 1150mm lengths. Increasing efficiency has never been easier with the screed king power screed. Shrinkage tube crack inducers bim object definition from nbs. With screeded floors, crack inducers may be included in the top surface of the screed these are generally a 5mm mechanical saw cut in the top surface of the screed. Screed king power screed power screed no tools are required to adjust the handle bar height. Hand vibration is 75 percent less than competing models because of a unique cross beam handle bar design that absorbs vibration before it reaches the user. Crack inducer system concrete construction magazine. Key features are its versatile user friendly designs that allows users to easily adjust the unit so that screeding is more comfortable. Concrete spin screed used by amateurs for their first pour. The screed king power screed is a high frequency gaspowered vibration screed with magflo magnesium screed board and toolless board change system. Wyco tool screed king concrete screed with honda gx35. It is very easy to install and will ensure a positive break through the joint.
Liquid floor screeds anhydrite screed cement based. Power screeding is a challenging but essential part of many concrete construction projects. Ground crack inducer is an inverted vshaped durable pvc extrusion. Screeds are required when a colourful or functional floor is needed rather than a bare concrete surface. Removing the need to cut the concrete removes the risks of cutting cables and pipes. Unit 1, venture road, lawn farm business park, woolpit, suffolk, ip30 9rz. The steel material and shape gives superior strength with a lightweight rail. Concrete screed screed king the screed king is a high frequency gaspowered vibration screed with magflo magnesium screed board and toolless board change system. The ground crack inducer is designed for inducing cracks from the bottom of the slab. Sika crack inducer tube sr is a sealing profile made of pvcp nb thermoplastic material, nonbitumencompatible, for sealing and sectional weakening for con traction jointscontrol joints, with inner pipe for longitudinal bracing. Used to induce a crack from the base vertically to be used in conjunction with the top crack inducer or saw cutting.
Screeders use control joints to induce cracks in a straight line in a known location when laying freeflowing selflevelling liquid screeds, from cemex, flowcrete, rtu and many more. Increasing efficiency has never been easier than with the screed king power screed. Different shapes of stirrup tops enable a variety of screeding rails to be used, eg scaffold tube, square bar etc. For industrial purposes, or commercial locations which will undergo frequent traffic, a more robust screed is required than is used in residential projects. Top crack inducers a two piece top crack inducer for controlled crack inducement and joint forming. To work effectively it is recommended that the total depth of the top or top and bottom crack inducers should be between 14 and of the total slab thickness. Proform concrete screed rails, crack inducers, expansion joints are available direct from proform concrete ltd, a minimum order of 2000 metres is required to buy direct. When there is adequate ongoing demand, production of larger crack inducers for thicker slabs is anticipated.
The 47mm crack inducers can be connected with the jointer to create a grid system as small as 1200mm sq. Screed king power screed h31cc norris sales company inc. Krystol waterstop grout is then tightly packed in the keyway for added protection. A base crack inducer in the shape of an inverted y, used to induce a crack from the base vertically. To work effectively it is recommended that the total depth of the top or top and bottom crack inducers should be. The two part pvc crack inducer and groove former induces a controlled crack in continuously laid concrete. Stirrups and bases can be supplied as separate items. Kryton crack inducing waterstop waterproofing concrete. A base crack inducer in the shape of an inverted y. We have wet ufh john guest speedfit with 3 loops in 75mm screed 41 sand mortar plus fibres and we plan to glue a very good quality engineered oak board to it. How to avoid screed failure barbour product search. The wyco screed king power screed reduces labor hours by allowing users to screed with up to a 20 ft board with one user. Technical data sheet kryton crack inducing waterstop.
Combiform can act as a crack inducer and when used together with a top extender also acts as a saw cut, saving time and money. Complete this electronic spreadsheet to ensure that your shrinkage tube crack inducers product information meets the requirements of level 2 bim. Requires no brackets or adjustable torsion rods, making cleaning fast and easy. This is indicative of the lod requirements for shrinkage tube crack inducers. Concrete crack inducers allow you to put the expansion control crack where you want it, without having to cut and risking damage to cables and pipes. Kryton crack inducing waterstop is fastened to the concrete form or shoring wall.
The top section is easily removed after the concrete has cured, leaving a sealant void of 25mm deep x 10mm wide. Used as part of the krystol waterstop system and in conjunction with krystol waterstop grout, kryton crack inducing waterstop is resistant to waterborne chemicals and is perfect. Anhydrite liquid floor screeds are a highly technical self levelling screed designed for use in domestic commercial and projects, which is particularly suitable for use with under floor heating floors and as a floating screed. After the concrete is placed, a controlled crack develops from the crack inducing waterstop through to the keyway. Magflo 12ft screed king concrete cement power screed.
The profile makes it almost impossible to dislodge therefore the surface can be floated as normal. Hair line cracks in screed the flooring forum number 1. If you are interested in stocking proform concrete screed rails please contact us. Work is finishing on our new build extension single room 6m x 7m. Screed chairs and screed rails precon products own brand. Used in conjunction with either top crack inducers or saw cutting. No need to saw cut the concrete surface, saving time and additional expense.
Unique enclosed design virtually eliminates warping or torquing. Part of the extensive precon products building and construction supplier catalogue. Vat add to cart flowcrete isocrete phs penetrating hardening. Discussion in builders talk started by plumb29, mar 7, 2006. Its hollow, braced section makes it strong enough to be vibrated direct into wet concrete. Amtico spacia tiles are going down,there are a couple of. Durable stainless steel mounting levers allow for toolless board removal. Crown construction equipment magflo concrete screed boards. Discussion in vinyl impervious floor coverings started by kevin0722, sep 25, 2012. Crack inducers precon products own brand precon products. We left the screed 90 days to curedry, before commissioning the ufh. There are many benefits to using an anhydrite floor screed. A method for construction of slabs on grade, this system is particularly suited to large area floors that are to have applied finishes, such.