How to Install an ADA-Compliant Under-Sink Plumbing Shield

How to Install an ADA-Compliant Under-Sink Plumbing Shield

Intermediate
30 min
7 Steps
19 items

This guide provides comprehensive, step-by-step instructions for installing an ADA-compliant under-sink plumbing shield. The process involves preparing the work area, measuring and trimming the shield components, and securely fitting them over the P-trap, water supply lines, and shut-off valves to protect individuals in wheelchairs from burns and abrasions.

Based on content from
This Old House· 2.2M subscribers· +23 more

Best for homeowners and DIY enthusiasts with basic plumbing knowledge. Requires HDX Over the Glass Indoor Safety Glasses VS-265 and HDX Indoor Safety Glasses Clear (1-Pack) VS-9300, clear and Safety Glasses.

Tools & Materials

THE CLEAN STORE Terry Towel Cleaning Cloths Standard, White (100-Pack) 79428

THE CLEAN STORE Terry Towel Cleaning Cloths Standard, White (100-Pack) 79428

The Clean Store Auto Detailing Terry Cloths Towels offer the perfect combination of softness and strength. The high-quality pure cotton soft plush cleaning cloth is extremely convenient and reusable. These very durable towels are finished with a hemmed edge. The ultra-soft material will not scratch paints of any surface and is perfect for Multi-purpose usage for cleaning cars, windows and other uses. The cotton cleaning cloths measure approximately 14 in. x 17 in. and make a useful addition to any home, office, automobile or construction site.

Formula 88 All Purpose Cleaner and Degreaser 128 oz. 04312

Formula 88 All Purpose Cleaner and Degreaser 128 oz. 04312

Formula 88 is a versatile, all-purpose cleaner. It replaces most cleaners, detergents, degreasers and laundry pre-soaks. It only takes a small amount of Formula 88 to get a big job done around the house

Safety Glasses

Safety Glasses

Keeps eyes safe from potential hazards.

Common Problems

The pivot rod won't engage if the tailpipe hole faces the wrong direction.

Solution: Make sure the hole for the pivot rod in the tailpipe is facing towards the back of the sink before fully tightening.

Do not over-tighten the plastic slip nuts, as this can cause them to crack.

Solution: To avoid this issue: Be mindful of this warning and take appropriate precautions.

Leaky pipes due to improperly tightened or cracked plastic nuts.

Solution: Hand-tighten the nuts first. If there are any drips after testing, use channel-lock pliers to give them a slight quarter-turn, but be careful not to overtighten and crack the plastic.

Uneven cement application leads to weak pipe joints.

Solution: A twisting motion when joining cemented parts helps distribute the cement evenly and ensures a stronger bond.

Work in a well-ventilated area when using pipe cleaners, primers, and cements.

Solution: To avoid this issue: Be mindful of this warning and take appropriate precautions.

Losing small parts down the drain during installation.

Solution: Placing a towel or drain stopper over the drain is a simple way to prevent losing small components.

Water leaks and flooding occur if the water supply isn't turned off during valve cartridge removal.

Solution: The narrator notes that shutting off the water is optional if you are certain you won't be removing the valve cartridge, but it is the safest practice.

Frequently Asked Questions

How difficult is it to install an ADA-compliant under-sink plumbing shield, and how long should I expect the project to take?

This project is rated as 'beginner' difficulty, making it accessible for most DIYers. Typically, the installation can be completed within 1 to 2 hours, depending on your prior experience and the specific configuration of your under-sink plumbing. The main skills involved are accurate measuring and careful cutting.

Always ensure the area under the sink is well-lit and clear of obstructions to prevent accidental bumps or falls. While not directly altering plumbing, it's a good practice to turn off the water supply to the sink if you'll be working very closely to the pipes. Wear gloves to protect your hands from any sharp edges on existing plumbing or newly cut shield components.

While a standard utility knife can work, a specialized plastic sheet cutting tool (like the 'Utility Knife Plastic Sheet Cutting Tool GE-41' listed) is highly recommended. It provides cleaner, more precise cuts on the thick plastic material of the shield, ensuring a better fit and reducing the risk of material cracking or an uneven edge.

The most common mistake is inaccurate measurement, leading to gaps or an ill-fitting shield. To avoid this, meticulously measure all plumbing components, especially the P-trap, supply lines, and shut-off valves, using a reliable tape measure. Remember the DIY adage: 'Measure twice, cut once,' and always cut slightly smaller initially if unsure, as you can always trim more.

An ADA-compliant plumbing shield creates a protective barrier around the hot water pipes and sharp components under the sink. Its primary purpose is to prevent individuals using wheelchairs from sustaining burns from hot pipes or abrasions/injuries from exposed plumbing parts. It ensures safety and accessibility in compliance with ADA standards.

While the 'TRUEBRO LAV GUARD 2 Fast Fit' is designed for adaptability, unusual plumbing or very tight spaces might require extra trimming or a different approach. Carefully measure your specific layout. If standard modifications don't work, you might need to research flexible shield options or consult a professional plumber for advice on adjusting the plumbing itself for better shield compatibility.

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30 min | 7 Steps