Does this also need to be taped?

[Post and beam]

Kingspan ultima SIPs construction.

Our frame erectors are almost finished after only 3 weeks. The membranes, numerous, are being unfolded and stapled. The basic airtightness will come from the SIPs panel but i wonder if what you can see in the picture also needs to be taped along the edges.

[IGP]

Need, no. But you could for that extra bit of performance.