4×8 hardie board siding
Mia Russell
Updated on May 20, 2026
HardiePanel vertical siding is 5/16 in. thick and is available in 4×8, 4×9 and 4×10 sizes.
How much does a 4×8 sheet of Hardie board weigh?
Hardieplank weighs 2.3 lbs per square foot.
How much is a sheet of Hardie board siding?
Hardie board siding costs anywhere from $1 to $6 per square foot of material installed on a home. If you were to replace siding on an average size home of 1,500 square feet, you could expect to pay anywhere from $1,500 to $9,000 in total installation and replacement costs.
How thick is James Hardie board and batten siding?
HardieTrim® Batten Boards are 19mm (¾ in) thick, 64mm (2½ in) wide, and come on 3,658mm (12 ft) lengths. See your local dealer for details and availability of product colors and accessories. A Complete James Hardie Exterior – Close-up on trim products.
What sizes does Hardie Plank come in?
HardiePlank® lap siding comes in 12 ft. lengths. Nominal widths from 5¼ in. to 12 in. create a range of exposures from 4 in. to 10¾ in.
Is Hardie panel waterproof?
Tested & Proven Waterproofness
No water penetration through Hardie® Backer Board with HydroDefense™ Technology during 48-hour hydrostatic test. HardieBacker® Cement Board with HydroDefense™ Technology is a long-lasting, waterproof solution for walls, floors, and countertops.
Is Hardie board cheaper than brick?
Material alone, regular Hardi siding runs approximately $1.15/SF where “Artisan” runs $2.40/SF and brick runs anywhere from $2.50-$5.00/SF depending upon the brick you choose. There are six “standard” size brick per SF so this range will allow for an allowance of $0.42 – $0.83 per brick.
How long does Hardie board last?
Hardie Board siding is a greater financial investment than vinyl siding, but it lasts longer too. So as you consider this aspect of your decision, realize you will enjoy this outstanding siding for up to 50 years.
Do you caulk HardiePanel?
When James Hardie siding products butt into wood-based materials, a 1/8″ gap will allow for expansion and contraction of the wood-based product. Caulks and Sealants: James Hardie recommends the use of caulks and sealants that remain permanently flexible.
Do you nail or screw Hardie board?
James Hardie prefers and recommends installation of HardiePlank® lap siding by the blind nailing technique, such that fasteners are hidden by the course above. Fasteners shall be installed between 1 in. and 3/4 in. from the top edge and no closer than 3/8 in.
Do you caulk Hardie board joints?
James Hardie DOES NOT recommend using caulk or “H”-jointers for the butt joints of HardiePlank® siding with ColorPlus® technology. James Hardie also DOES NOT recommend applying caulk to the horizontal overlap between siding planks (see Figure 2).
Is there an alternative to Hardie board?
Steel Board-and-Batten Siding: A Better Alternative to Hardie Board. Board-and-batten siding has a classic appearance that complements a wide range of architectural styles. It can give any home a more rustic-looking exterior, while increasing curb appeal.
Is Hardie board fire resistant?
Fire Protection
But Hardie® siding will not ignite when exposed to a direct flame, nor will it contribute fuel to a fire. Because James Hardie brand products are non-combustible, many insurance companies offer a discount.
What is the difference between board and batten and Hardie board?
Is board and batten the same as Hardie Board? No, they’re not the same. Board and batten is the style of siding while Hardie Board is the material manufactured by James Hardie. Hardie Board is a type of fiber cement siding, and it can be used for board and batten.
Do you caulk board batten siding?
By running a bead of caulk in the seams on both sides of the battens, you’ll create a water-resistant seal that keeps water from seeping beneath the siding. Use paintable exterior latex caulk if you plan to paint the siding, or choose clear exterior latex caulk if you’re going to apply a clear-coat seal to the siding.
What widths does hardiplank siding come in?
Plank Widths:
6.25″ (5″ exposure) 7.25″ (6″ exposure) 8.25″ (7″ exposure) 9.25″ (8″ exposure)