Can you use 1/4 Hardibacker walls?

3 Answers. 1/4″ hardibacker alone is an unsuitable substrate for shower wall tile. If it were attached to properly waterproofed drywall, plywood, or plaster it would be fine. Just apply thinset mortar using the application technique recommended by the mortar (and/or tile) manufacturer.

Which side of 1/4 Hardibacker faces out?

This indent allows you to tape with fiberglass tape and thin set compound to give you a solid surface in which to place the tile. So smooth side out. The rough side is the back or bottom…with 1/4 ” hardie there is often scoring lines on the front…1/2″ just has the printing on the front.

Where can I use 1/4 cement board?

1/4″ USG Durock® cement board is an ideal substrate for floor and countertop ceramic tile installations. The 1/4″ thickness helps eliminate transition trim when abutting carpet or wood flooring and minimize level variations with other finish materials.

Do you have to tape seams on Hardibacker?

For tile backer boards such as Durock, Wonderboard, Hardiebacker, Permabase, and others the seams between the board need to be treated with 2-inch alkali-resistant mesh tape. Then a coat of thinset gets flat troweled over the seam. What this does is tie the two boards together and help prevent flexing.

How thick should Hardibacker be for shower walls?

The industry standard is to use 1/2-inch-thick backer board on wall tile installations, such as a tub surround.

Is Hardie backer board good for shower walls?

sheets of cement board are sized for efficient use around bathtubs and showers. The core isn’t waterproof, but it can withstand getting wet without falling apart, so even if your waterproofing system leaks, the board will stay intact.

Does it matter which side of Hardibacker faces out?

Cement board has a smooth side and a rough side. Face the rough side out if you will be using thin-set mortar adhesive to install the tile but the smooth side out if you will be using latex mastic.

Do you have to put Thinset under Hardibacker?

Thinset is absolutely required beneath backer-board on a floor. Also, backer-board provides no structural strength at all. You can not install it directly over a 1x subfloor; that is way too thin and will deflect. It does not sound as if you have a quality-minded contractor.

How big is a Hardie backer cement board?

James Hardie stands behind HardieBacker cement board with a limited lifetime product warranty. HardieBacker cement board is a tile underlayment made for wet areas like kitchens and bathrooms.

What are the installation instructions for a Hardie backer?

Installation instructions from the manufacturer state that the Hardiebacker boards are to be installed with both appropriate adhesive and mechanical fasteners such as specialty screws or proper length roofing nails. Failure to follow the instructions could void the warranty.

How big is an EZ grid backerboard piece?

EZ Grid® 6mm Cement Backerboard HardieBacker®12mm Cement Backerboard 1200 x 800 x 12mm 1500 x 900 x 6mm 1200 x 800 x 6mm 13.8 kg 12.5 kg 9 kg 50 pcs 60 pcs 60 pcs 740 kg 790 kg 540 kg PIECE WEIGHT PALLET WEIGHT PALLET QUANTITY

Can a Hardiebacker board be used as a vapour barrier?

Please consult the applicable regulation in order of determining whether a vapour control barrier is necessary. Both 6mm and 12mm HardieBacker cement boards can be used on masonry walls whenever you are dealing with a confined space.

James Hardie stands behind HardieBacker cement board with a limited lifetime product warranty. HardieBacker cement board is a tile underlayment made for wet areas like kitchens and bathrooms.

What’s the best way to install Hardie backer?

• Apply a supporting bed of mortar or modified thinset to subfloor using a 1/4 in square-notched trowel. • Embed HardieBacker cement board firmly and evenly in the wet mortar. • Use the fastener pattern as a guide.

What kind of backer board does James Hardie use?

This cement-based backer board, made of 90% Portland cement and sand, resists damage from moisture and mold and provides excellent tile adhesion. Its formulation and structure results in the ideal combination of strength, uniform composition and performance that no other backer board can provide.

How much plywood do you need for Hardie backer?

• Use minimum 1/2 in exterior grade plywood or equivalent, positioned across the wood cabinet. Space between plywood supports is not to exceed 16 in on center. 2 | Determine layout of HardieBacker cement board • Do not align HardieBacker cement board joints with plywood joints.