Friday, September 30, 2016

How to Caulk a Common Patio Lamp

Common patio lamp with large gap
Fig.1 Lamp
By Gary Boutin

Supply and Tools:
Caulking clear
Dynaflex 230 sealant
Manual caulking gun

Fig.1 shows a common patio lamp, it had a large gap of over 1-inch wide between the lamp and the stucco. The average annual precipitation for Napa California is Napa 27.7 inches (704 millimeters). If this lamp had been in Napa, California were it rains then a real problem could exist. Water would rust out the electrical components and would blow a fuse or worse the lamp could electrocute a person.

This post shows three steps to repair this problem.

Step 1: Fig.2 shows Dynaflex 230 is an affordable indoor and outdoor Sealant. Dynaflex 230 is a "...paintable, durable sealant can fill gaps up to 1" wide... (25.4 millimeters) ... and the cured sealant is mold and mildew resistant"#1
Dynaflex 230 is an affordable indoor and outdoor sealant
Fig.2 Dynaflex 230 Sealant
Step 2: Fig.3 shows a manual caulking gun and a tube of silicone pressing sealant into the gap of the lamp. The sealant will act as a barrier to keep out water and moisture from damaging the lamp or blowing a fuse. This sealant is paintable and can match either the lamp or the stucco color.
Use any caulking gun with silicone sealant to protect the lamp
Fig.3 Caulking bottom
Step 3: Fig.4 and fig.5 shows the sealant has been applied to both sides of the patio lamp. Do not forget the top and the bottom of the lamp. All that remains is painting the gap. The customer decided they would take on this project themselves.
Caulk the left side of the lamp
Fig.4 Caulking left
Here the right side of the lamp is caulked
Fig.5 Caulking Right


#1 The information about Dynaflex 230 was obtained from their website.

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