Does caulking Hardie board void the warranty?

These such areas are called “field butt joints.” In the case of James Hardie's Color Plus siding, which has a pro-rated 15-year warranty, using caulk at field butt joints will flat out void your warranty!

What voids James Hardie warranty?

This includes damage from water infiltration, exceeding wind, tornados, hurricanes, floods, earthquakes, and severe weather or other Acts of God. Other natural elements that void the warranty include the growth of mold, mildew, fungi, bacteria, or any other organism that forms on the product's surface.

Should Hardie board be caulked?

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).

Should you caulk gaps in Hardie siding?

Wherever Hardie siding meets a trim board, the company recommends you leave a 1/8” gap between the siding and the trim and apply a 3/8” bead of approved caulking to protect and seal the edge of the siding.

Do you caulk fiber cement siding?

Many professionals, like those at James Hardie, also agree that you should not use caulk on fiber cement siding unless there is no metal flashing underneath. Flashing acts as a waterproofing layer for this type of siding, and caulking will prevent the flashing from doing its job.

3 Common Installation Issues with James Hardie Siding

What kind of caulk do you use on Hardie board?

Manufacturers' Caulk and Sealant Recommendation Sheet S-100B

Caulks and Sealants: James Hardie recommends the use of caulks and sealants that remain permanently flexible. Look for the words 'permanent flexibility' or 'permanently flexible' written on the label or in the accompanying literature.

Can you pressure wash hardiplank?

The manufacturer recommends that you do not pressure wash your Hardie siding. The hard spray of water from the power washer can damage the surface of the siding.

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.

How do you fill holes in Hardie board?

The installation guide for Hardie Board, which is a brand of cement board siding recommends using caulking to fill nail holes. When I've installed it I used a high-quality exterior paintable calking after smoothing the edge of the holes. Once the caulk is dry you can touch up the paint.

What is the best caulk for cement board siding?

TOM: What you want to use is a silicone caulk because it's the most permanent one. It's got good adhesion and expands and contracts.

How often should hardiplank be painted?

Hardie Plank is also called fiber cement siding. While it's far heavier than aluminum, vinyl or wood, it is extremely durable and typically only needs a new paint every ten to twenty years for maintenance. It is one of the best materials and long-term solutions for protecting your home.

Does painting Hardie board void the warranty?

Before you start painting, you should be aware that repainting James Hardie ColorPlus siding will void your existing finish warranty. However, repainting only voids your 15-year ColorPlus warranty, not your full James Hardie material warranty!

What is the warranty on Hardie plank?

What Does My James Hardie Warranty Cover? Since Hardie siding is exceptionally long-lasting and weather-resistant, it is backed with a 30-year limited warranty. However, your siding must be adequately cared for to preserve this industry-leading guarantee.

Does Hardie Plank have a warranty?

(“Hardie”) warrants, for a period of thirty (30) years (the “Limited Warranty Period”) that when manufactured, the HardiePlank® HZ10® Lap Siding, HardiePanel® HZ10® Vertical Siding, HardieShingle® HZ10® Siding, and HardieSoffit® HZ10® Panels (the “Product”) comply with ASTM C1186, will resist damage caused by hail or ...

How often does hardiplank need to be replaced?

When it comes to longevity, James Hardie siding is similar to brick or stone, and should last the life of your home. James Hardie fiber cement has a 30-year non-prorated, transferable warranty which demonstrates how sure they are about the long life of this amazing siding material.

How do you maintain Hardie board?

Wash down the exterior surfaces every 6 to 12 months with a garden hose to remove dirt and debris, gently clean your siding with a soft brush or wet soft cloth in a side to side motion in the direction of the plank siding.

Does Hardie board increase value of home?

James Hardie Siding Does Increase the Resale Value of Your Home. Whether or not if you're deciding to sell your home, having James Hardie Siding is going be one of the best investments you'll ever make. According to Family Handyman, you can recoup as much as 76% of the upfront cost of it upon the sale of your home.

Does mold grow on Hardie board?

It is highly susceptible to mold and mildew. Hardie Plank has many seams and the seams must be sealed or water can infiltrate behind the siding. It can crack and if it does, you must tear the whole wall down in order to replace just one plank. It also is not maintenance free and requires painting every 10 years.

Does Hardie board warp?

HardiePlank® is a fiber cement based siding, so it's impervious to water, termites, woodpeckers, and any other animal you can think of. It's dimensionally stable so it won't warp like wood or vinyl siding can, and it won't melt or warp when heat is applied to it.

How do you fix a cracked Hardie board?

Hardie board siding usually cracks due to poor installation. The original installer might have accidentally installed a nail too close to the edge of the siding, causing a crack. You can easily fix it by cleaning it and then using caulk to patch the gap.

Does siding need to be caulked?

The bottom of siding boards should not be caulked

While paint does tend to somewhat glue these pieces together, caulking them is never advised and can cause permanent damage. Also, avoid caulking tongue-and-groove siding boards together.

Can you caulk over old exterior caulk?

You can caulk over caulk. Just make sure that the old caulk is dry, clean, and oil and dust-free. Also, apply the new caulk to extend beyond the old, onto clean caulk-free surfaces to which it can adhere. However, for best results, you should remove the old caulk before applying a new caulk.

Will Goo Gone remove caulking?

Caulk Removal Made Easy

Goo Gone Caulk Remover is a must-have for removing silicone caulk and any other sealant. It breaks down the sealant so you can simply peel it away. See it in action by watching the video.

What do you use to patch hardiplank?

The James Hardie company, makers of HardiePlank, recommends the use of a cement patch product made of an acrylic mortar compound for patching their siding products. Acrylic mortar compound can be found at most home improvement retailers and hardware stores under various brand and trade names.