Should control joints be caulked?

Caulking the joints and cracks is the best way to stop this from happening. Even expansion joints in your concrete driveway should be caulked. They can be the biggest culprit of water under your slabs. This protects the caulk from wear and tear of people walking and driving over it.

Can I use caulk on stucco?

There are two main types of caulking that are best for stucco applications and these are for repairing cracks and for using when lathing to seal up certain areas. The two main types that are recommended by most people are an acrylic based caulking and a polyurethane based caulking.

How do you seal control joints?

Use QUIKRETE Non-Sag Polyurethane Sealant, and move the nozzle slowly along the length of the joint, pressing the sealant into the joint. Use the tip of the nozzle to smooth the sealant, if needed. Immediately clean up any excess sealant with a commercial solvent or a citrus-based cleaner.

Should expansion joints be filled?

Just remember that expansion joints should always be sealed and filled with a flexible joint sealer and never epoxied or coated over. Contraction joints can be filled in the same manner after a coating or sealer is applied if you desire.

How far apart should stucco control joints be?

18 feet
Stucco Control Joints: Joint Spacing Generally, joint spacing should meet these criteria: Joint spacing should not be greater than 18 feet. No panel should exceed 144 sq. ft.

Do concrete control joints need to be sealed?

Expansion joints need to be sealed periodically to protect against water, dirt, and debris. These elements can hurt the structural integrity of concrete over time. Water can also lead to mold and interior leaks that are costly to repair.

What is a stucco 75 joint used for?

Install on frame construction for use in stucco plane transitions. A solid flange zinc control joint that resists corrosion on interior and exterior applications of plaster and stucco. The #38, #50 & # 75 is used to relieve stresses in large plastered areas of walls, ceilings, and stucco.

What is the best caulk for hairline stucco cracks?

This is the primary caulking that I like to use on hairline stucco cracks. A Polyurethane Based Caulking: Polyurethane based caulking is good for sealing up areas on the lath portion of the stucco process. Areas like windows, doors, where lath meets wood, etc. are better suited with a polyurethane based caulk.

Does Home Depot sell stucco caulking?

Home Depot and Lowes will carry polyurethane, acrylic and sanded caulking most of the time (from my experience). A stucco supply yard will also have caulking in stock most of the time and it will usually be an acrylic or polyurethane based caulking. Some companies will carry a sanded caulk as well but is more rare.

How do you prevent stucco plaster from cracking?

Since stucco plaster is so thin, it must be divided into sections during installation to reduce cracking due to volume changes over time. Stucco control joints are used to help aid in preventing cracking in the stucco overtime.