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Installing port lights and portholes with Luis Martins
Luis wrote me “Last time we talked you showed some interest in how I installed the new port lights and portholes in my boat without any screws or bolts. What do you say if we record a podcast on that subject?”
Great idea and here it is!
This is how it turned out and here are the products he used in the process:
https://www.jamestowndistributors.com/userportal/show_product.do?pid=3508
Sikaflex 295 UV Black 10.3 oz. Cartridge Adhesive / Sealant Sika
The 4 products above were mentioned in the podcast with Luis Martins on installing Portlights and Portholes
Here are some Recommended Books
Luis wrote…
“Considering the quality of today’s adhesives compared to 20 years ago. I would not thru-bolt acrylic port lights as the holes will weaken the port light and create stress points that may lead to stress cracks. You need to drill oversized holes to accommodate for expansion of the acrylic with temperature changes and then deal with sealing those oversized holes.
In my opinion, bolting the port lights brings more problems that need to be addressed. If bolting, you should put spacers between the cabin sides and the acrylic so when you mount the port lights you don’t squash all the sealant and end with a very thin film of sealant that will fail as soon as the acrylic expands or contracts.
On my windows I put a small chamfer around the outer edge to reduce the bulk effect and it worked quite well. I also applied Sika primer 209 in the area where the tape and Sikaflex is. This primer serves three purposes: 1. You don’t see the tape and sealant, it’s all masked by the black primer; 2. The primer protects the tape and sealant from UV; 3. The primer promotes the bonding to the acrylic. Using the VHB tape made for a very simple process, you lay the tape on the cabin sides, stick the acrylic to it and then deal with masking and Sikaflex without the acrylic moving around or having dozens of bolts sticking out and having to align them. The VHB tape is very strong although it doesn’t look like at first. It’s pressure sensitive!”
Here is a link to the instagram account https://www.instagram.com/p/BexuW9TFwXr/
Here are links to the other podcasts where Luis talks about Fiber glass techniques
In a previous podcast I talk about https://maritimedocumentation.us/ which is a scam to dupe you into paying about 3 times the cost to renew your coast guard documentation. Here are the details to this company Be aware and don’t get sucked in like I was. If you were make the proper complaints to its ISP godaddy and the federal trade commission https://www.ftc.gov/
Be sure you listen to that episode here is the link Maritimeducumentation.us scam
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Sailing! Learn To Sail: Basic Keelboat Certification Lessons for the ASA 101 Exam Exam over 7 hours of Audio Instruction to help you get ready to take the written exam.
If you’re interested in my sailing instructional audio series here are the links:
Sailing! Learn to Sail: Basic Keelboat Certification Lessons for the ASA 101 Exam
https://gumroad.com/l/Eiig
Sailing! Learn to Sail: Basic Coastal Cruising; Lessons for the ASA 103 Exam
https://gumroad.com/l/PvOYK
Sailing! Learn To Sail: Bareboat Cruising Certification Lessons for the ASA 104 Exam
https://gumroad.com/l/bwXh
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