tack coat

tack coat

[′tak ‚kōt]
(civil engineering)
A thin layer of bitumen, road tar, or emulsion laid on a road to enhance adhesion of the course above it.

asphalt tack coat

asphalt shingles: above, an asphalt shingle strip; below, installing asphalt shingles
A light coating of liquid asphalt on an existing asphalt surface or on a portland cement concrete surface; used to ensure a bond between the old surface and the overlaying course.
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References in periodicals archive ?
Keywords: interface condition, linear elastic model, tack coat, flexible pavement, Kenlayer programme, shell transfer functions, fatigue, rutting.
Although GlasGrid is self-adhesive, the engineering firm specified that a tack coat be applied to promote adhesion.
Tenders are invited for Providing and applying tack coat with catonic bitumen emulsion (RS-1) using emulsion pressure distributor on the prepared bituminous/granular surface cleaned with mechanical broom and as per relevant clauses of section-503 of specifications.
Tenders are invited for Providing and laying 50 mm thick bituminous macadam and 25 mm thick semi dense concrete paver finishing with hot mix plant including priming/ tack coat filling patches/ pot holes and profile correction on the specified stretches, dressing of berms including cutting/ filling with RBM upto 1.
size respectively, including a tack coat with hot straight run bitumen, including consolidation with road roller of 6 to 9 tonne capacity etc.
Tenders are invited for Providing, Laying and compaction of DBM 50mm, DBM 60 mm, BC 40 mm thick, Prime Coat, Tack coat, Road Marking with hot applied thermoplastic compound as per IRC: 35 and over head gantry works between Km 514.
Tenders are invited for Providing and laying of 25mm thick premix carpet with paver, surface dressing 1st coat tack coat and seal coat and all other works contingent thereto".
Tenders are invited for Special repair of the patch work of Link Road Tarn Taran Jandiala Road to Jandiala Verowal Road under road Repair Programme year 2015-16 (Patch work BM & PC including Tack coat & Seal Coat etc.
Tenders are invited for Providing, Laying And Compaction Of Dbm 75 Mm Thick And Bc 40 Mm Thick With Prime Coat And Tack Coat For Srp Works Between Km 467.
Tenders are invited for Annual Maintenance of Internal roads by providing and laying 20mm thick premix carpet with tack coat and seal coat type B in MNSS Rai in Sonepat District (For the Year 2015-16)