As an importer of record in many exotic species like Genuine Mahogany, Teak, and Ipe; J. Gibson McIlvain is acutely aware of the stigma attached to rainforest wood species and the spectre of global warming that looms over our industry. The facts are that deforestation is not a result of the lumber import trade, but in many cases caused by the disruption of it. Additionally, regulation by local, federal, international, and corporate entities provides a clear provenance of the lumber from forest … [Read more...]
Lumber Supplier
Tigerwood Decking or Ipe or Cumaru: Tropical Decking Choices
Spring time is here and with it comes deck building season. This is the time of year when our millwork department spends 75% of the day grooving Ipe decking boards for hidden fasteners. At any given moment there are several trucks being loaded with Ipe or Cumaru or Tigerwood decking to be shipped off to our customers around the country. As we have written about on this blog earlier, Ipe is really an unrivaled decking species, but the price continues to climb every year. So it is that this … [Read more...]
Understanding Hardwood Lumber Grading
For more than a century, the hardwood lumber industry has held to a central grading standard established by the National Hardwood Lumber Association (NHLA). Thanks to the foresight of the early founders of the NHLA in 1898, some order has been added to the chaos that had become the lumber trade. Finally there was a standardized system of grading to determine quality of lumber. Today we take this grading system for granted and it has become a universal way to quickly convey the quality of a … [Read more...]
Does Number of Plies in a Sheet of Plywood Matter?
Plywood is confusing. There, I said it. Especially when it comes to how the sheet of plywood is constructed. You can have 2 panels of identical species and thickness, but is one sheet the same as the other? Is a 3/4 sheet with 12 plies actually better than a 3/4 sheet with 6 plies? As always, the answer is a frustrating and maddening, "maybe." In theory, more plies is better and not because the veneers are cut thinner and their movement is less. Actually, it is because more plies … [Read more...]
How to Prevent Cracks in Your Large Timbers
Easy answer: you can't... That's not entirely true. You could dry the timbers in a vacuum kiln and definitely not use them outside and keep them away from direct sunlight. Probably a good idea to speak in low, soothing tones around those timbers too. I joke, but the reality is that these cracks or checks are just the nature of wood. Checking can be controlled in "regular" sized 4/4 through 8/4 or even 10/4 lumber, because this thinner stuff is easier to dry. But when you get into … [Read more...]
Wood Color Changes Explained
One of the things than can be very difficult when working with wood is the range of colors you find within a single species. What makes it even more difficult is that all woods will change color throughout the process from sawmill to finished project and then years down the road. Wood like all materials fades in the sunlight, but some woods also undergo actual chemical changes that change the color. The one thing you can count on is not to get too attached to a specific color as it is bound to … [Read more...]
Walnut Lumber Grade Explained
I have written briefly about how Walnut is graded differently from other North American hardwoods, but it seems that customers are still surprised by the apparent lack of quality in Walnut lumber. Usually these inquiries are met with surprise on the part of our grading team, as our graders were quite proud of the quality of Walnut that left our yard. What it really comes down to are two different expectations of what "good quality" Walnut actually is. So let's break it down according to NHLA … [Read more...]
Ipe Deck Maintenance: New Decking is Not a Finished Product
When you buy decking boards, they are already planed on 4 faces (S4S) and usually have the sharp corners eased (E4E). Depending on whether you are face screwing or using a clip system, there may or may not be a groove routed on the edges. This is a product ready to install right? But is it a finished product? Absolutely not, and this is where many homeowners and even contractors get confused and frustrated. Whether we are talking about Ipe or Cumaru or even Pressure treated Pine or Red … [Read more...]
Color Matching Lumber??
Color is a sticky subject for lumber dealers. More specifically, matching the color of different boards of the same species. Wood is an organic product. Maybe that goes without saying, but in today's engineered product world, it is important to realize that wood is unique. It isn't poured or extruded or dyed or infused or crackle painted (at least I hope not). Every piece you get is different. Sure, it has a general appearance from one species to the next, and I can look at a board and tell … [Read more...]
Teak Supply Pinch May Be Good News for Home Builders
As the log bans and export regulation changes in Myanmar continue to confuse the Teak market, there is a strong positive for home builders who use Teak that could make a lot of previously difficult-to-obtain lumber a lot easier to get. In general, the Teak industry centers around boat builders. These builders have understandably very high standards due to the dollar amount on their products and the extreme conditions that their products are subject to. To satisfy these high quality needs, … [Read more...]
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