To hold the stacked pallets in a fixed place may be a challenge! No need to worry even a little bit about it as there are many how-to tips we are to share with you! Use of glue will be remarkable for adhesive demands but the main assemblage of heavier pallet boards can easily be done using metal brackets or steel plates! Angle iron would also be supporting to hold tightly the backrests in just vertical upright positions!
For a secret and hidden assembly of pallets, pocket holes can also be made in each two installed pallets and just put the screws in for a lasting grip! Nuts and bolts formulation may not work properly in this case as it is hard to find a nice target to put the bolts in, the hollow spacing in between the pallets gives just no way to add nuts and bolts! Use of angled iron brackets and steel plates with screws would be rocking to fix the pallet boards in exactly right positions!
X-Large Pallet L-Sofa with Foam Mattress:

Here is complete deck renovation done with whole pallets! Pallet flooring and a grand sitting platform with orange and yellow foam cushion!
1 Pallet Low Sofa and Daybed:

Natural rustic look of pallets may be much friendly to your outdoor and patio, this elegant sitting furniture set is best to explain it better!
Pallet Skids + Cushion Sofas & Seats:

Complete Euro pallet skids are just best to install some hilarious manifestations of cushioned seats or sofas that you always need for relaxing, sitting and guest’s entertainment!
White Pallet Sofa with Black Mattress:

If you have a good stock of pallets then use it to build a graceful sofa or a daybed! Don’t forget to add a cushion!
Rustic Whole Pallet 3 Tiered Corner Sofa:

Earn a complete sitting furniture plan along with a sturdy coffee table using only whole pallets, no cuttings or measurements are required!
X-Long Pallet Sofa with White Foam Cushion:

upholster the pallets to build outstanding ottomans, chairs, benches and sofas to organize any of your lounge, patio and garden with them!
Whole Pallet 5 Seater with Black Mattress:

Make the pallets padded and keep on installing them until you fill up the area you want to organize for sitting! Take a loot at this practical advice given in this picture!