Plastering Tapes & Adhesives

Plastering tapes and adhesives are essential for achieving professional, crack-free finishes on plasterboard joints and internal corners. These specialist products reinforce seams, prevent cracking as buildings settle, and create seamless surfaces ready for decoration. At McMahons, we stock a comprehensive selection of jointing tapes, scrim tapes, and adhesives from trusted brands to help plasterers and drylining contractors deliver flawless results every time.

Our Plastering Tapes & Adhesives Range

From small repair jobs to large-scale commercial fit-outs, we supply the right tape and bonding solution for every plastering application.

• Knauf Bonding Compound - a gypsum-based plasterboard adhesive for dot-and-dab direct bonding of Knauf plasterboard and insulating laminates to masonry walls, and for use with Knauf metal furring channel systems. High bond strength suitable for both standard plasterboard and thermal laminates, available in 25kg bags with coverage of approximately 46m².
• Knauf Betokontakt plaster bonding agent - a primer and bonding agent applied to low-suction or difficult substrates such as concrete and dense blockwork to improve adhesion before plastering, available in 20kg tubs.
• Corner flex tape - a flexible reinforcing tape for internal and external plasterboard corners, providing joint reinforcement that accommodates minor structural movement without cracking. Available in 30m rolls.
• Jointing tapes and mesh tapes - paper and fibreglass jointing tapes for embedding in jointing compounds across plasterboard joints, scrim tapes for reinforcing plasterboard abutments and repairs, and self-adhesive mesh options for bridging cracks and surface breaks prior to plastering.

Browse our full Plastering Materials range for everything from base coats to finishing products.

Choosing the right tape depends on your substrate and joint type. Paper tape provides superior strength for tapered-edge joints, while self-adhesive scrim speeds up workflow on standard butt joints. For backgrounds with poor suction, always prime with a suitable bonding agent to ensure lasting adhesion.

Why Choose McMahons for Your Plastering Supplies?

With over 190 years serving Ireland's building trade, McMahons understands what professionals need on site. Our experienced staff can advise on product compatibility and help you select the right combination of tapes, adhesives, and Jointing Compounds for your specific application. Set up a McMahons trade account today for streamlined ordering, trade pricing, and faster repeat purchases across all your plastering projects.