Construction World September 2022

STRONG DEMAND FOR NEW a.b.e. CONCRETE REPAIR SYSTEM A new concrete repai r system, compri s ing two a.b.e. Construct ion Chemicals products , i s providing excel lent resul ts and i s increas ingly being speci fied in various parts of South Af rica. a.b.e. , wi th head of fice in Boksburg, i s part of the Saint-Gobain Group. In terms of the new concrete repai r system, a.b.e.’s durarep EC, a three-component epoxy cement

be appl ied to protect vert ical and hori zontal sur faces between 0,5 and 4 mm thick . I t i s chemical - res i stant and sui table for new and refurbi shment appl icat ions in aggress ive chemical envi ronments . “Furthermore, the solvent- f ree product i s imper vious to l iquids and can be appl ied to damp sur faces . I t quickly develops placeable cons i stency and so provides fast turn-around t ime. Wi th excel lent adhes ion, durarep EC remains cohes ive and does not sag,” Papayanni explains . The new a.b.e. concrete repai r and protect ion system cal ls for durarep EC to be overcoated wi th abecote SF 217, a clear res in system used for seal ing, laminat ing, screening and grout ing appl icat ions . abecote SF 217 of fers high chemical res i stance not poss ible wi th standard epoxies and can be used as a laminat ing res in, for high chemical - res i stance screeding, chemical t i le grout ing, and seal ing porous elements such as concrete and wood. “a.b.e. concrete repai r products have for decades been used to repai r and ef fect ively maintain important South Af rican bui lding and inf rastructural faci l i t ies . The new durarep EC and abecote SF 217 system illustrates a.b.e.’s commitment to develop and introduce the widest possible choice of solutions for diverse repair and maintenance projects,” Papayanni adds. 

mortar wi th selected fine aggregates , i s overcoated wi th abecote SF 217, a two-component solvent- f ree Novolac epoxy res in. The combinat ion of durarep EC and abecote SF 217 was selected for the repai r and protect ion of the return act ivated sludge (RAS) pump stat ion of the Strandfontein sewer works in Cape Town, completed by main contractor, Hi load Inyanga Construct ion. A total of 120 ki ts of 21kg durarep EC were needed for thi s project . Brett Papayanni , a.b.e. General Construct ion Sales Manager in Cape Town, who handled the two Western Cape projects on behal f of a.b.e. , says trowel -appl ied durarep EC provides except ional non-slump cons i stency for the smoothing of i rregular sur faces and blow holes on concrete and masonr y. “durarep EC i s ideal for the re-profi l ing of i rregular sur faces , pore fi l l ing and seal ing of blow holes and can

33 CONSTRUCTION WORLD SEPTEMBER 2022