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Building Solutions --> Masonry Stitching

MASONRY STITCHING Practical solutions to building problems Click here to read the Masonry Stitching literature
Rotafix® Masonry Stitching System SUMMARY OF FEATURES Cembond, high performance, cementitious grout. Non shrink, non gassing thixotropic grout suitable for concrete, brick, stone, blockwork Spirotie is a helical twisted rod made from Grade 304 Stainless Steel and comes in 6mm & 7.5mm diameters. Tough, flexible adhesive with a long open time allowing all day working without waste of expensive mixed material
The Rotafix® Masonry Stitching system offers a simple yet reliable method of permanently repairing structural masonry and brickwork by ‘overpinning’ and permanently reinforcing vertical or stepped cracks in walls. This method restores the strength and stabilises the structure. If required Cementone pigaments can be used, brick dust or a soft mortar re-pointing to give a colour match to the pointing. (For other repairs see CRACK REPAIR information sheet ref. no. CR1297/2). The repair method consists of grinding out every third or fourth mortar course to half the depth of the brick and fitting a special epoxy-glass rod with a Cementitious solvent free grout applied by pointing gun. It is essential that a Structural Engineer has been instructed to check that the reasons for the cracking have been established and the cause eliminated. Under no circumstances should cracks be stitched if the cause of the cracking is unknown.
ROTAFIX® RESEARCH Rotafix® has developed its solvent-free technology over the last three decades and designed heavy-duty repair systems for concrete and stone structures subject to severe operationing conditions. You can benefit from this technology. Alternative epoxy based technologies such as Rotafix Structural Adhesive can be used to replace the Cementitious Grout.
THE PROBLEM Brick, block and stone walls are subject to cracking if movement takes place. This cracking frequently appears in the outer leaf in a series of steps, moving upwards through the perpendicular mortar joints. Lintels, soldier courses, new openings and window/door replacement situations can all require horizontal reinforcement to provide extra strength and stability to masonry. Movement of any kind needs to be fully investigated by a qualified Structural Engineer, although preliminary testing of drains, water supply pipes and wall ties can be usefully carried out by other professionals. It may be necessary to place monitor Telltales in order to confirm that movement has ceased. This service can be performed by a Remedial Contractor. Many crack defect repairs are covered by Buildings Insurance. It is therefore important that the client is aware of this possibility at the investigation stage.
	THE SOLUTION Our complete Crack Stitching Repair kit contains everything you need to make that professional repair. As a guide this kit will provide sufficient material to stitch one crack in a single story building. The Rotafix kit consists of :- 3 Litres of easy mix Cembond Grout. Professional 1 Litre Pointing Gun with frame and nozzle. 10 x 1m precut lengths of Spirotie. This Complete Kit for just £119.99 + vat Call 01639 730481 to place your order.
SPECIAL FEATURES Stitching with the Rotaflex® System offers: Brick walls – ease of rod and adhesive injection in tight mortar joints: other materials may limit the width of the mortar course and necessitate cutting out of brick damaging the edges. Stone walls – the flexibility of the Spirotie Rod allows it to be bent to follow uneven mortar courses without loss of strength. Cementitious Grout - closely performs to existing mortar and stone work.
BENEFITS Saving walls from unnecessary destruction and rebuilding Eliminating the risk of separation of the repair materials and consequent cracking-out of the ’stitches’, through the use of a non-gassing, shrink free grout. Quality control assured: grout supplied in preweighed amount, just add water, mixes in 2 minutes. 2 hour pot life
GUARANTEE The unique Rotafix® Guarantee offers total security: These Rotafix® adhesive products are guaranteed for the life of the surrounding masonry
TECHNICAL SUPPORT Rotafix® is a research led Company dedicated to supplying materials and expertise to the Civil Engineering, Building and Remedial Industries. Our technical support extends nationwide through our team of Area Technical Advisors and recommended contractors. You need look no further for in depth support with Specification and site assistance. Tel: +44 (0)1639 730481 Fax: +44 (0)1639 730858 General Enquiry: rotafixltd@aol.com Technical Enquiry: daverotafix@aol.com