I’m looking for advice on how to mount two levels of IKEA METOD suspension rails on a wall where a very thick drywall layer sits in front of a Porotherm hollow‑brick wall.Wall structure:• Drywall (double gypsum board + metal studs), total thickness ~115 mm• Behind it: load‑bearing Porotherm wall• Two rows of METOD rails needed (upper + lower)• Lower row has some reinforcement, but contractor still suggests anchoring into Porotherm• Upper row has no reinforcement at allMain issue:Because the drywall layer is so deep, drilling reaches far into the wall and I can’t see what happens behind the gypsum board. I want to ensure the rails are safely anchored and able to support kitchen cabinets.Questions:1. What is the safest anchoring method for heavy kitchen cabinets on a thick drywall + hollow‑brick combination?2. How do professionals usually handle cases where the structural wall is far behind the drywall surface?3. Which anchors or techniques work best for Porotherm when access is limited by a deep cavity?4. Any practical tips or experiences with mounting METOD rails on similar wall setups?Thanks for any guidance!
Anchors suck for this type of work. The rail looks like a whatever ikea flavored french cleat. I would try predrilling and throwing long pancake head screws. If I could pull them straight back out with about 50 lbs, then it will have to be anchored or toggled. Silicone and PL400 make a pretty permanent combo. I would consider gluing the rail up too. It's not make or break, and it will make demolition worse. Depending on how the cabinets are constructed, you could support the rail with another 1x4. Keep in mind that you probably need to keep that stupid rail linear with a straight edge. Most walls are an ocean. I join cabinets perfectly in the face frame then shim them to fit the waves the framers and drywallers left behind.
